CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '9135026b2f669cfa',cH: 'xpaKB8qvh2Mj919ScyyFEvdhS_ympy1IhEVVinVbiNs-1739787255-1.2.1.1-L5HZmEx4Ez0s9A1LElu6UkzUXMB2OqhPu6lWx6glvf_4sfRZ58KlJObrSbc64shN',cUPMDTk: "\/abstracts\/search?q=Paavo%20Pelkonen&__cf_chl_tk=HVBEsKWb_rQuB1yICR892lm3XduAp7_DzobxVK9qMKM-1739787255-1.0.1.1-F2_OhDuLCTMryi6jqu.hKEeO2pN6ob1CMrERUKgZDhc",cFPWv: 'b',cITimeS: '1739787255',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Paavo%20Pelkonen&__cf_chl_f_tk=HVBEsKWb_rQuB1yICR892lm3XduAp7_DzobxVK9qMKM-1739787255-1.0.1.1-F2_OhDuLCTMryi6jqu.hKEeO2pN6ob1CMrERUKgZDhc",md: "aDEwWlbO5mFF2eun38p6uLN14w_CqRziv78A05ucHAQ-1739787255-1.2.1.1-jmdvWfpYMqgFGflo3o2w4ZW919znRDMOHQH1D.YUtWdU.RIfyHfq.R3aut7Fml1nzWxiCytPyKSUoxKFTSEsGpPkYzbzVqaJzrB1sIZXgS0me9CXIwsk5CRdns76mL5.3j_5XEQaOZxWEV.CSqN1tXPMaasXfG0nAZQCP.psi3wSzCQpltKJ.Hp9uzxm03JM_TpzGcxPTVAUwdmI4aYKVv7ukjSc9QrsBQIVyfxEJRQEiV56go7OiZi5et8IFLjEX7LUvvdye0nepDQJk1_dAmdvoAG9g2rwcTX5W77ROw9knjsaKoxdFTD_apndChN3T7j1cScPHQBySa2bfuYid4a_TyFm5xEW6bybhIPqAKCfIWB7T.Vgn_K0nIPWNzvh2Q6K_Ks2xeN953xcKDk96nl.yxujPFGmN0zrOPkZjvWdKGHqpd8ryPTqm8W62zS.eDFoTX9d6z62XbHzl9v1un8VKBpW2LZOjN1JTr9I3zzC661_o.PnEPg69RX.fxgBeWO.UW232YwqbT39gBZR66vCztZwA2Zjvgi1klCi9dzat601J5fdhRV4vhniF9s2TWzSjuYZepE_tQ9bWeqb.pp7AKs0xpJlqIAJvfcpe3tf0s9GC28mlBQGXWMjyxdLGl2Q8NMyjbqCbIOAabyKdXy9v3hAS6miMopwq9cpmomIvMmvTVwlvah0P2Z4UppaP4iUdgLdLAaZhrd0O03bsEsJi_4EWMuTTLHTnDgy3ItS5S.rHsLmewfokf6arJSkhFUQmLQqFFqGRhAeonU8z99iB7mZwonK7_Wq8SdAgQX87Jf646fX0L1LzoZ6ygXuqGc3dHtirnpBlavQpD_S7AF4olybUreLiFFF6iqxGfU.3bCeeX1PkDDDJTTxPypmOXHkK73U1zUNm43XCLyiErlXdnNpXdhe7R4hoesK3zguMVEOXRj_G4hOAXggfltFuRYvRAnxCNIkucpwSU_.A7n8XFWsaclW.juva5YDE80J82b56cUc51lEFfqjCmu7DZ1kCtov3Mb44Uwe5.CSfWcaCmgpuL2EabDX9H5AadO4E9BluC6rHKoZGHQ0TXqSvbFnPfWIlLoSqU3r0VnIptVIysstfGHpeEWwXOyERFVxT.RfOVaisvoXBoUQ8p_RX7AS0dNnlX8oQwOJkaz0dW8CmkUmvqM8.tymMjkMgBKXaA_fkrh49hYmhqxXVWtiEgiMV3RFUvSiu7KYrNgoOF_mvwJqP33l9pc0uZ_W7inYEi_LeLKtdo5Se.fOfn8bOH1ReFzCfdozowrSgy7ZRUdhesjxj6THz4GDiq6G46IWx1KmYr_wYHJQc2Jh.OSqYdE7lrQIVevQSgJRsZRNU6wo6jEdq_2e9HGIGbNy4mgVAtv_mcvlet664ISjcOasx6Y.23kJCblxqvwU6Se0RHzqdAul9VhtnLv21lOJn759fjidx_yTwWqFC3cdqsioo8R5fXjAITyjnlWGLolgnEC9w9fbSCxDQFkb9G8rz5X1UJTqLYTk1MdoPv31VBOuGqIC6IJuqPrt3W2x6oLBBi6VFrJvGOh8Z.GxkoOA_dAgte3BLDW_mVLfvNwrW5MWXRl7jtcFGHyiHh7KqiBXMY1uCP3VSKCAGTkn9DVAYC0_c17pnbzZlGjsxeqy6gWn8Xk0E8MA6sFfIheJrhPJLgOopxvKzfHYcZBed5oWklWCVM7Dn3A_FsHM3GW8vfkIZxL4RN36nbkyYNqHLqV9DPPeN5vTGLJLQNiqXxPfx6zk1RzWAm_wdhNx45.ipE4pCIkRyRyfqGx8J2h_4zuPWBhHfPeXU_u8y.DrL6_JEuBJxbmC54gWaHoEa7Ri_yfd9rnFHozRqSaqh1WSunwMClowZDPxtKOoHEFm0qEUNWypM77.7__.IzBHDlKSC0FSM37N5vYYcsctl9kTjEMzsFbE5ICMJfulV95tbKiQtTM",mdrd: "Pqya2s88pEp9mlKxXlANRQqyVCLayA1n8XFU_iUT5Dk-1739787255-1.2.1.1-s8WqeVeLFgHvdcQpJaM8pXK4U4xS4UWuZ.KapXOOSVWddCVg2tjPmFpqZvK7fNPzPH5u6ZjHpLZebPriEANVZCN4A89YhPbW8xeIyznkdLdkOuscBlHJxvfcwy_s9RR93Kmfvv6AqFy6bS5RI7uM8WWTWX4RMURoev3OmGvyNMexSXGlwsSSWoMlqk1nhH04IzSKQwRtptBfw45FHSwkuXF3nJHI2MGchZyGoLJu6oP_ZDL0Ca.NgBuYB4NhRKemmHGw7xBi5FVR.h_kNvwrNvuUzcnBo56cGkuR83uiBQiZg8S1vy.WDyWoor7W3Ac4da6zQJcK2cazHB7PGxtLpUKrt04AsIPsxM9g90btfBXgO3otkGE4H9iblm3ojjBcflg.xSeFOgcRLe.84Ko59hQaQVdrxLhBQrBsnMR3zn2ixwBugzDW75qwTxD6Aah86SkXIwQ5cY4832rjsGFaXskK_s35N8YkcBAtY.t_4f6H3s54DK9.N3CjdrYfaYx.1YA_A_Dg.qQm7mdvqGEzCUP3PgLJaPpp3KOtF5it5wDa1MjCeB8yiiJFFF_yuMkRsgD9GOpdjIN.cl4Yx1xV.cDUmUhFYxQ5yQl6iYE3HItm6RS02YGwm2tf3TBDn956KrJxyU4oq1uf.JP.PFbP5hyr1hZLgWkpLEIBGB8m3DHN.9lsuaqnVYgjpAmWA1TuzXC1eqQPftWL2XEdLXEw298WNYMe_gUoQwE0xqrf7k_yHKlNEdjR33YSS02VC7yLAQK1WDqVHHrUtv3kg40qmUO.JJBdaS1kYCnNVYp.5MDchohgM4u8_o5t3.RRxt14i8SC47nwN2aBghAS5KXtxYdPckIq2uBlc3c7HeEkQqMrdYHUHspd45hM0eQWugdW60u.dMJbYqEnQdFVXA962PsqRErTodMFs1Gt4JW1pGKr8ZRMJE0DMgLqsNz.z_ofdI2YMtGdyQa_KwieBzuKGSSQZaNiAD5dCuV_xuYcmJF_c1HBvX8BpZbBw41.QYQLIahyvy9DCZLCy64eoXKYjzfkKmFe0HUCX6E3Jx5oGlUQ5IUPu58izdjh.u3cA2z.T4CjLfmnwW2Uss4NedrDBOBiaeK1_8u.d._HT25moOEDh8vgIUslRxsaO9ALtk5aPd7BEUHnmxv7036miGx4MAKhPFuOOoSADFYAt_olYX8aFWLqG0.lfs_Pkha2vARjfHcPzMbOkB_xSovaN0n5Iktm0culobKYEOkgyugUnu.m8B4F6psoavKPkji7_VC5B4.drGo83cPtd7CEnqUg5WOHR0nIY9Ya.WcmT6jqUDbp4DSgOSYYLmOIbNiiWRONT.ktKr8S7.1rHoT7XCJGLW6NVMAlRHwujfNfXa4A4pLNDljuLs9PUggmw8fr_4AhZyQvPUlumKChr7eCIl3OQ9qCRw0PzkRxHMTMXKJXxqfrua4FzIVIcHTtp197K9p3SH2Al50e7hnNII2dOluRjxD61P3lW4JPSzAmfKgoh9e33kekE5I9UWjqJPf0D2CUF6cHTEjE7X0hlDnsrQfznweqKpvfRJ0pQT5cieE8Q9Z2WNvMs3vHTQnbAHYe0tDdN.6ijve76NiN_9J3FPQJHYfmkI8so8_agcZOEpdn0_9.M9cTY84nZTBg8fcvvs182HluVTd2l8_FEfDrP7hCgXhyA9VGVd7nvBBj_DgZTl6UXDK6M0t78yq6Mi5TxAY1yAxLBB63v8Bzg2CJtVk2Bfq_upnOaxfiU5c2Gs.BTWeYHoowyCfdCGNU0RjNJzW6MSuDzM4ImY36RVEQdz0uj5JpguKG9IHrkKVVznOBFMbUTZog3IKw554ciwnwk9_.XoPvEtpC3HpF8Ni883FYbCNNQxqMzlOYMi9YCSHlj2Vj1IpqJtsBCjK8rToMJqtqceRL019ZkQ8FCHoWe7DClKsjTd68.e9xxFvxuFZhjXM7Sgknad4GG2a0ZLRUP7IrFnLcUtRCwZndIxvjg94XIQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9135026b2f669cfa';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=Paavo%20Pelkonen&__cf_chl_rt_tk=HVBEsKWb_rQuB1yICR892lm3XduAp7_DzobxVK9qMKM-1739787255-1.0.1.1-F2_OhDuLCTMryi6jqu.hKEeO2pN6ob1CMrERUKgZDhc" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>