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for="gs_asd_eq"><b>sem</b> as palavras</label></div><div class="gs_asd_dd"><div class="gs_in_txtw gs_in_txtm gs_in_txtb"><input type="text" class="gs_in_txt" name="as_eq" value="" id="gs_asd_eq" autocapitalize="off"><div class="gs_in_txts"></div></div></div></div><div class="gs_asd_tr"><div class="gs_asd_dt"><label for="gs_asd_occt">onde minhas palavras ocorrem</label></div><div class="gs_asd_dd"><div class="gs_asd_occtr"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="as_occt" value="any" id="gs_asd_occt_a" checked><label for="gs_asd_occt_a">em qualquer lugar do artigo</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_asd_occtr"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="as_occt" value="title" id="gs_asd_occt_t"><label for="gs_asd_occt_t">no título do artigo</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></div></div><div class="gs_asd_tr"><div class="gs_asd_dt"><label for="gs_asd_sau">Exibir artigos <b>de autoria</b> de</label></div><div class="gs_asd_dd"><div class="gs_in_txtw gs_in_txtm gs_in_txtb"><input type="text" class="gs_in_txt" name="as_sauthors" value="" id="gs_asd_sau" autocapitalize="off"><div class="gs_in_txts"></div></div><div>Exemplos: <i>"Guilherme Bittencourt"</i> ou <i>McCarthy</i></div></div></div><div class="gs_asd_tr"><div class="gs_asd_dt"><label for="gs_asd_pub">Exibir artigos <b>publicados</b> em</label></div><div class="gs_asd_dd"><div class="gs_in_txtw gs_in_txtm gs_in_txtb"><input type="text" class="gs_in_txt" name="as_publication" value="" id="gs_asd_pub" autocapitalize="off"><div class="gs_in_txts"></div></div><div>Exemplos: <i>Saber Eletrônica</i> ou <i>Revista Ciência Hoje</i></div></div></div><div class="gs_asd_tr"><div class="gs_asd_dt"><label for="gs_asd_ylo">Exibir artigos <b>com data</b> entre</label></div><div class="gs_asd_dd"><div class="gs_asd_yri"><div class="gs_in_txtw gs_in_txtm"><input type="text" class="gs_in_txt" name="as_ylo" value="" id="gs_asd_ylo" size="4" maxlength="4" autocapitalize="off" pattern="[0-9]*"><div class="gs_in_txts"></div></div> — <div class="gs_in_txtw gs_in_txtm"><input type="text" class="gs_in_txt" name="as_yhi" value="" id="gs_asd_yhi" size="4" maxlength="4" autocapitalize="off" pattern="[0-9]*"><div class="gs_in_txts"></div></div></div><div>Exemplo: <i>1996</i></div></div></div><input type=hidden name="hl" value="pt-BR"><input type=hidden name="as_sdt" value="0,5"><input type=hidden name="scioq" value="PCLinuxOS"><input type=hidden name="scilib" value="1"></form></div></div></div><div data-h="800" class="gs_md_wnw gs_md_ds gs_md_wmw"><div id="gs_md_cita-d" class="gs_md_d gs_md_ds gs_ttzi" role="dialog" tabindex="-1" aria-labelledby="gs_md_cita-d-t" data-cid="gs_md_cita-l" data-wfc="gs_md_cita-d-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gs_md_cita-d-x" role="button" aria-label="Cancelar" data-mdx="gs_md_cita-d" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gs_md_cita-d-t" class="gs_md_hdr_t"></h2><div class="gs_md_hdr_b"><button type="button" id="gs_md_cita-b-save" aria-label="Salvar" class="gs_btnDNW gs_in_ib gs_btn_act gs_btn_half gs_btn_lsb"><span class="gs_wr"><span class="gs_ico"></span><span class="gs_lbl"></span></span></button></div></div><div id="gs_md_cita-d-bdy" class="gs_md_bdy"><style>#gs_md_cita-d{width:90%;max-width:1000px;}.gs_el_ph #gs_md_cita-d{width:100%;max-width:none;}#gs_md_cita-d .gs_md_prg{min-height:600px;}</style><div id="gs_md_cita-l" aria-live="assertive"></div></div></div></div><div data-h="0" class="gs_md_wnw gs_md_ds"><div id="gs_ead" class="gs_md_d gs_md_ds gs_ttzi" role="dialog" tabindex="-1" aria-labelledby="gs_ead-t" data-ifc="gs_ead_export" data-wfc="gs_ead-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gs_ead-x" role="button" aria-label="Cancelar" data-mdx="gs_ead" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gs_ead-t" class="gs_md_hdr_t">Exportar artigos</h2><div class="gs_md_hdr_b"></div></div><div id="gs_ead-bdy" class="gs_md_bdy"><style>.gs_ead_r{margin:0 0 8px 0;}.gs_el_tc .gs_ead_r{margin:0;}.gs_el_tc .gs_ead_r:first-child{margin-top:-8px;}</style><form id="gs_ead_f" action="" method="POST" data-show="true"><div><div class="gs_ead_r"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="s" value="" id="gs_ead_r0" checked><label for="gs_ead_r0">Exportar os artigos desta página</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_ead_r"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="s" value="" id="gs_ead_r1"><label for="gs_ead_r1">Exportar todos os artigos na minha biblioteca</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></div><div class="gs_md_btns"><button type="submit" id="gs_ead_export" class=" gs_btn_act gs_btn_lrge gs_btn_lsu"><span class="gs_wr"><span class="gs_lbl">Exportar</span></span></button></div><input type="hidden" name="export_selected_btn"></form></div></div></div><div data-h="367" class="gs_md_wnw gs_md_ds gs_md_wmw"><div id="gs_md_albl-d" class="gs_md_d gs_md_ds gs_ttzi" role="dialog" tabindex="-1" aria-labelledby="gs_md_albl-d-t" data-wfc="gs_md_albl-d-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gs_md_albl-d-x" role="button" aria-label="Cancelar" data-mdx="gs_md_albl-d" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gs_md_albl-d-t" class="gs_md_hdr_t">Editar marcadores</h2><div class="gs_md_hdr_b"></div></div><div id="gs_md_albl-d-bdy" class="gs_md_bdy"></div><div class="gs_md_ftr"><div class="gs_lbl_btns"><button type="button" id="gs_lbd_apl" class=" gs_btn_act gs_btn_lrge"><span class="gs_wr"><span class="gs_lbl">Concluído</span></span><span class="gs_bs"></span></button></div></div></div></div><div id="gs_hdr_drw" class="gs_md_ulr gs_md_ds" role="dialog" tabindex="-1" data-shd="gs_hdr_drs" data-wfc="gs_hdr_drw_mnu" data-cfc="gs_hdr_mnu"><div id="gs_hdr_drw_in"><div id="gs_hdr_drw_top"><a href="javascript:void(0)" id="gs_hdr_drw_mnu" role="button" aria-controls="gs_hdr_drw" aria-label="Opções" class="gs_btnMNT gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><a id="gs_hdr_drw_lgo" href="/schhp?hl=pt-BR&as_sdt=0,5" aria-label="Página inicial"></a></div><div><div class="gs_hdr_drw_sec"><a href="/scholar?as_sdt=0,5&q=PCLinuxOS&hl=pt-BR" role="menuitem" class=" gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Artigos</span></a><a href="/citations?view_op=search_authors&mauthors=&hl=pt-BR&scioq=PCLinuxOS&oi=drw" role="menuitem" class=" gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Perfis</span></a></div><div class="gs_hdr_drw_sec"><a href="/citations?hl=pt-BR&scioq=PCLinuxOS" role="menuitem" class="gs_btnPRO gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Meu perfil</span></a><a href="/scholar?scilib=1&hl=pt-BR&as_sdt=0,5&scioq=PCLinuxOS" role="menuitem" class="gs_btnL gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Minha biblioteca</span></a><a href="/scholar_alerts?view_op=list_alerts&hl=pt-BR&scioq=PCLinuxOS" role="menuitem" class="gs_btnM gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Alertas</span></a><a href="/citations?view_op=metrics_intro&hl=pt-BR&scioq=PCLinuxOS" role="menuitem" class="gs_btnJ gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Métricas</span></a></div><div class="gs_hdr_drw_sec"><a href="javascript:void(0)" id="gs_res_drw_adv" role="menuitem" class="gs_btnADV gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Pesquisa avançada</span></a></div><div class="gs_hdr_drw_sec"><a href="/scholar_settings?hl=pt-BR&as_sdt=0,5&scilib=1&scioq=PCLinuxOS" role="menuitem" class="gs_btnP gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Configurações</span></a></div></div><div id="gs_hdr_drw_bot" class="gs_hdr_drw_sec"><a href="https://accounts.google.com/Login?hl=pt-BR&continue=https://scholar.google.com/scholar%3Fscilib%3D1%26scioq%3DPCLinuxOS%26hl%3Dpt-BR%26as_sdt%3D0,5" class=" gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Fazer login</span></a></div></div></div><div id="gs_hdr" role="banner"><a href="javascript:void(0)" id="gs_hdr_mnu" role="button" aria-controls="gs_hdr_drw" class="gs_btnMNT gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><a id="gs_hdr_lgo" class="gs_hdr_dso" href="/schhp?hl=pt-BR&as_sdt=0,5" aria-label="Página inicial"></a><div id="gs_hdr_md"><div id="gs_hdr_srch"><form id="gs_hdr_frm" action="/scholar"><input type=hidden name="hl" value="pt-BR"><input type=hidden name="as_sdt" value="0,5"><input type=hidden name="scioq" value="PCLinuxOS"><input type=hidden name="scilib" value="1"><div class="gs_in_txtw gs_in_txtb"><input type="text" class="gs_in_txt" name="q" value="" id="gs_hdr_tsi" placeholder="Pesquisar em "Minha biblioteca"" size="50" maxlength="2048" autocapitalize="off" aria-label="Pesquisar"><div class="gs_in_txts"></div></div><span id="gs_hdr_tsc"><span class="gs_ico gs_ico_X"></span></span><button type="submit" id="gs_hdr_tsb" name="btnG" aria-label="Pesquisar" class="gs_btnG gs_in_ib gs_btn_act gs_btn_half gs_btn_lsb"><span class="gs_wr"><span class="gs_ico"></span><span class="gs_lbl"></span></span></button></form></div></div><div id="gs_hdr_act"><a id="gs_hdr_act_s" href="https://accounts.google.com/Login?hl=pt-BR&continue=https://scholar.google.com/scholar%3Fscilib%3D1%26scioq%3DPCLinuxOS%26hl%3Dpt-BR%26as_sdt%3D0,5">Fazer login</a></div></div><style>#gs_alrt{position:fixed;bottom:48px;left:16px;max-width:384px;z-index:1250;display:flex;justify-content:space-between;align-items:center;font-size:13px;line-height:16px;color:#e2e2e2;background:#333;text-align:left;border-radius:3px;box-shadow:0 3px 5px -1px rgba(0,0,0,.2),0 6px 10px 0 rgba(0,0,0,.14),0 1px 18px 0 rgba(0,0,0,.12);visibility:hidden;transform-origin:center;transform:scale(0.8,0.8) translate(0,100%);}.gs_el_ph #gs_alrt{bottom:0;left:0;width:100%;max-width:none;border-radius:0;box-shadow:none;transform:scale(1,1) translate(0,100%);}#gs_alrt.gs_vis{visibility:visible;transform:scale(1,1) translate(0,0);}#gs_alrt.gs_anm{transition:transform .067s cubic-bezier(.4,0,1,1),visibility 0s .067s;}#gs_alrt.gs_vis.gs_anm{transition:transform .067s cubic-bezier(0,0,.2,1);}.gs_el_ph #gs_alrt.gs_anm{transition:transform .084s cubic-bezier(.4,0,1,1),visibility 0s .084s;}.gs_el_ph #gs_alrt.gs_vis.gs_anm{transition:transform .1s cubic-bezier(0,0,.2,1);}#gs_alrt_m{display:block;padding:16px;}#gs_alrt_l{display:block;padding:8px;margin:0 8px 0 -8px;border-radius:3px;color:#fcc934;text-transform:uppercase;text-decoration:none;}#gs_alrt_l:hover{background-color:rgba(255,255,255,.05)}#gs_alrt_l:active{background-color:rgba(255,255,255,.1)}#gs_alrt_l:empty{display:none}#gs_alrt_m a{padding:8px 0;color:#e2e2e2;text-decoration:underline;}#gs_alrt_m a:active{color:#f6aea9}</style><form action="" method="post" id="gs_alrt"><span id="gs_alrt_m"></span><span id="gs_alrt_h"></span><a id="gs_alrt_l" href="javascript:void(0)" class="gs_fm_s" data-fm="gs_alrt"></a></form><div id="gs_ab" class=""><div id="gs_ab_ico" class="gs_btnGSL"><span class="gs_ico"></span></div><div id="gs_ab_ttl"><div class="gs_ab_mdw"><span class="gs_nph gs_nta">Minha biblioteca</span><div class="gs_oph gs_ota"><div id="gs_res_ab_tmn-r" class="gs_md_r gs_md_rmb gs_md_rmbl"><button type="button" id="gs_res_ab_tmn-b" aria-controls="gs_res_ab_tmn-d" aria-haspopup="true" ontouchstart="gs_evt_dsp(event)" class=" gs_in_se gs_btn_mnu gs_btn_flat gs_btn_lrge gs_btn_half gs_btn_mini gs_btn_lsu gs_press gs_md_tb"><span class="gs_wr"><span class="gs_lbl" id="gs_ab_ttll">Todos os artigos</span><span class="gs_icm"></span></span></button><div id="gs_res_ab_tmn-d" class="gs_md_d gs_md_ds gs_md_ulr" role="menu" tabindex="-1"><div class="gs_res_ab_dd_bdy"><div class="gs_res_ab_dd_sec"><a href="/scholar?scilib=1&hl=pt-BR&as_sdt=0,5&scioq=PCLinuxOS" class="gs_md_li gs_res_ab_sel" aria-checked="true" role="menuitemradio" tabindex="-1">Todos os artigos<span class="gs_notf"></span></a><a href="/scholar?scilib=6&hl=pt-BR&as_sdt=0,5&scioq=PCLinuxOS" class="gs_md_li" role="menuitemradio" tabindex="-1">Lista de leitura<span class="gs_notf"></span></a><a href="/scholar?scilib=5&hl=pt-BR&as_sdt=0,5&scioq=PCLinuxOS" class="gs_md_li" role="menuitemradio" tabindex="-1">Lixeira<span class="gs_notf"></span></a><a href="/citations?view_op=manage_labels&hl=pt-BR&scioq=PCLinuxOS&oi=srp" class="gs_md_li" role="menuitemradio" tabindex="-1">Gerenciar marcadores…<span class="gs_notf"></span></a></div></div></div></div></div></div></div><div id="gs_ab_md"><div class="gs_ab_mdw"></div></div><div id="gs_ab_btns"><a href="/citations?hl=pt-BR&scioq=PCLinuxOS" class="gs_btnPRO gs_in_ib gs_in_gray gs_nph gs_nta"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Meu perfil</span></a><a href="/scholar?scilib=1&hl=pt-BR&as_sdt=0,5&scioq=PCLinuxOS" class="gs_btnL gs_in_ib gs_in_gray gs_nph gs_nta gs_mylib"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Minha biblioteca</span></a></div></div><div id="gs_bdy"><div id="gs_bdy_sb" role="navigation"><div id="gs_bdy_sb_in"></div></div><div id="gs_bdy_ccl" role="main"><div id="gs_res_glb" style="display:none" data-ttl="" data-lph="" data-sva="/citations?hl=pt-BR&scioq=PCLinuxOS&xsrf=&continue=/scholar%3Fhl%3Dpt-BR%26as_sdt%3D0,5%26scilib%3D1%26scioq%3DPCLinuxOS&citilm=1&update_op=library_add&info={id}&ei=gJVIZ9fEA8Gq6rQPy9O3-Q4&json=" data-sval="/citations?hl=pt-BR&scioq=PCLinuxOS&xsrf=&continue=/scholar%3Fhl%3Dpt-BR%26as_sdt%3D0,5%26scilib%3D1%26scioq%3DPCLinuxOS%26scisig%3DgJVIZ9fEA8Gq6rQPy9O3-Q4%26dts%3D%7Bid%7D&citilm=1&update_op=library_add&info={id}&ei=AFWwaeYAAAAAZ0iX2FbNPT_02dpI4KYTsEKQyIs&view_op=list_article_labels" data-tra="/citations?hl=pt-BR&scioq=PCLinuxOS&xsrf=&continue=/scholar%3Fhl%3Dpt-BR%26as_sdt%3D0,5%26scilib%3D1%26scioq%3DPCLinuxOS&citilm=1&json=&update_op=trash_citations&s={id}" data-via="/citations?view_op=view_citation&continue=/scholar%3Fhl%3Dpt-BR%26as_sdt%3D0,5%26scilib%3D1%26scioq%3DPCLinuxOS&citilm=1&citation_for_view={id}&hl=pt-BR&scioq=PCLinuxOS&oi=saved" data-lsl="" data-lpu="" data-lsm="Salvo na <a href="/scholar?scilib=1&amp;hl=pt-BR&amp;as_sdt=0,5&amp;scioq=PCLinuxOS">sua biblioteca</a>." data-ahq="" data-gsb="" data-gsr="" data-rfr="" data-usv="" data-fmat=""></div><div id="gs_res_lbtpl" style="display:none"></div><div id="gs_res_ccl"><div id="gs_res_ccl_top"><div id="gs_eml"><h2 id="gs_eml_t">Salvar artigos para ler mais tarde</h2><p class="gs_eml_ins">Para salvar um artigo, clique no ícone de estrela localizado abaixo do resultado da pesquisa.</p><div id="gs_eml_ri" class="gs_eml_sd"><h3 class="gs_rt">Um documento interessante para ler mais tarde</h3><div id="gs_eml_ra">Autores - Publicações, 2017 - Editora</div><div class="gs_eml_rl gs_eml_gy"></div><div class="gs_eml_rl gs_eml_gy"></div><div class="gs_eml_rl gs_eml_gy"></div><div><span class="gs_eml_ib" id="gs_eml_lcb">Citado por 101</span><span class="gs_eml_ib gs_nph" id="gs_eml_lra">Artigos relacionados</span></div><div class="gs_eml_star gs_eml_sd"><svg viewBox="0 0 24 24"><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/></svg></div></div><p class="gs_eml_ins">Para acessar os artigos que você salvou, <a 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