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,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);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: '9135a64e7c1c8193',cH: 'bmoVyNvW3fSxFmR8Elvw9oBBOwjvs1OeuGF1aOgELo0-1739793968-1.2.1.1-dohEqhjVpZQ13bGLHFhgc9DNLXEOGYE1kKzmqP0xxvePfYowr1MxyW_YOepO.ioo',cUPMDTk: "\/abstracts\/search?q=Walter%20F.%20Tichy&__cf_chl_tk=Iox5gwlxr5pEycg8opuBDvK.OekaOM4mugCCpBR.mxs-1739793968-1.0.1.1-zdAB1G20sA_k2sGAEkND37ICxthhnx_KTrWVfVDdKCU",cFPWv: 'b',cITimeS: '1739793968',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Walter%20F.%20Tichy&__cf_chl_f_tk=Iox5gwlxr5pEycg8opuBDvK.OekaOM4mugCCpBR.mxs-1739793968-1.0.1.1-zdAB1G20sA_k2sGAEkND37ICxthhnx_KTrWVfVDdKCU",md: "o3woWkjPE0jpNGwRYbEN3DzJnPZ5Vr6H78DPXdjSKn8-1739793968-1.2.1.1-2NlfaLLtorQm8BRQzdYTdmunPl1Prjff.gjL0QgkY68pA1K2GNvyeICvhCOyrHojT.jn7RKWG6HWPHZgabJr502GvIZKGgaYa0jrcHy9bLORyvfwc3qzyjntqfJxDRtGKFpOy5MLkKTf.CZ1bM6KWhZMAjv1qPg00kuu__JIJCtJzZuc4rPKqnR_FrpbWpU3FVbBiM8Bsj3EJGasU6c69AjbyHQVNNJGPVjSrHd98YuSQlghiBv_0_4H7zCHgOC8Iikrtah0WI.BOdHz28dE.UEXKyh7LnHegyc9r60UoGQHUNjgzQAN.so5nRtfFENJMJJXworfItpJJ1fWXowEB6jLCtghgSMdTt_611HLq1QIgxJlYkDCMsU5fvEJYmpfxloiuCRhkKkDxxPcsdhpNz9MeunG.lOxKN6NgdP2BdgDpBT2gbtT26uXjxcw1dreWW3RR9V7FG4nnex9jJER2W_JRo6CZf9yURZ1M9LtiGHBlTGn_Zu3uukFJ5HMfZYgea2xnoT6khKravQFlpYHeGB.11Ah.d0lCWVQxmQmX5ZmE4kTG0kDICQHWVJBh4aOWT52iGaILkg4zYZnCYw7dUMo2hlhNL8G95GzaZYKmG2TstUiYbRioAp52Cc3GX5zyr9NjPrRt2GBeiKVMwdw_TDSBfKl71KeS7r5.giXZz1mplsDgWgv5MftsIfxfwqS6LERpqp92Mw_WA2HuZztqSbWEuOS0sBzimvCQssd6F2bkB3EVxCKU4f1CmHfeLKMTyAwDald9dAgoH1YFBppDmpnxtB3IGM62KfnhNME2myeEpe4XoCu_mtAjTf5qQ40ieovIQBHzi4uQtGwSeqfoGSJa3GeeNN0kvJObFovcq7gk8WDmjqbgSH2g7HjhD7Q625aEqe0xUW44nkQ6kKeubEvRb7bsbJjOYJtyWBzhfB2AB7_x1ongvT3PDP2P6AK_poBdlFSnnI5jb40DFB2UfiHTGe9bvQAYqo.TpBeKkDGE7CnwH4_GbZUNYqHdWrwX7GJttQappmqbaSV0b7RjZl1inzt72RsgA5L7YiEfORgYPbSMjPVjD8QZsHUdALQ3PoPMKTU4tPJBSOo9BSaX3O1vI5mWNw7usD9d.f3MbKg2GCfLzyy7FsfEamfqTJO5zRyFErtjwAZCfdUcxX7Tf7FmxiiFxD0VjLQKsdD_BK8N3f2DLzuG.TnVxRvDI_LZjFAbhCAaiVVBUNTFK5E.D7hA0hZE8axRD3kX8xCrMPAqJBW9eFkJZ6XE6GfWsqSy1UGNlPvHGWQR.4eeaQi5xcfqDTfuE7L7G81HeKCLkZEtpkCbnOb48s3naLGpflgCMdF7VmUMfDhAxwuv2HmWMcF9_Xw6cOJ8k7U7Fjcz5cCthAqizuX1FxT8CSBK9UmB3Cj6umqY7WjzLlwzftepWrIItj2vNsWTz_b.kuliZP.pqSjYgAVUMKACpmD.p3nZMyuOhEhxlPpgHJs_Ar4JKLhzN.89BMufOfBFhHJRfAWQQC5o4tftewvWoofuzOrWBk9jOFrRvygRJ2r904ZNb8PBLBM79P_YdP2t3pFAQH1W_opMXc4iB4h__UjQnIa0eJ2XqqBIllAxUhQcTLVqIknE9dh9IGJAyD_kZZ1iOaMiP1H59IyQLaYJGliN4z0xlSq4q.Ak41.whEBxpzXTYGKYUHVLBs36hIl7XRs_YOyTNg.djTWjJh8cRFbI2Lqd.Yjs9DSkKHjyl7Xg62IzMHGwN8GU7JRu7e.C_gQGmEDuXETdKc78IDXQJbsjTRACjXgSfZkOrI1IrXU1f_xPS.phMuQx8kXysRJMmNX6NAI9h__cWuf1Lz2LljPM0QDVoZKZsUIT4fjLt2WpeOWMpxBUkZqiM7TdES4KLBoZvM6RszrOodLzJGORwPCRL93bK7BfH50e.Lld1BN5M8siUMtVb_tuR4Qh4aOhZLbHxo",mdrd: ".RgPknr6nfcZHZMIpa.6Ni__SXx.gUNAq59K.DAuBH8-1739793968-1.2.1.1-1WHdgQik7o3O0_mjW.w3T_HiML1dt2PdTvnBz9PPJuv5AUofwLNG9NJT7O43oha3v.dpZIENG7sevjpAkYLMoRvBEoNku_SM9QxYCi9pUiXZwg2irjfk4nmwlELgGMc0_aL134elnrgLplycpyRia.i1G4FufZodcOKgcX6XEOx35JwK8SyWvBv5512KrzcPy_pQFDg1bvIYGWCM8.2XnE4H3hmiHLv9U8YRoJl1R9jYuC5t_nDR__7tOJBSsZ5c_eieUXsUEw2ycEiiq2EcU6zhCpyLMVKBtHy9xYUuwIcKb1EP9UFVYcCp33_4ucIUHJ.pKfoPUqe_Eazgo8zHFCt9uX1w1NZZwq1SaL0c47JHg_GsN1F2XX_JMwtBMyg.FTVOq8NbowDnu_OsU_XDdAx.RS0xiw0LIFo8aTalf.ASXBBBUyDofPaf2JdY5dD_g9nxxbvOkusce8EkSd0jg7qPU76B38YMwsCr_CE4kLh0eg0Ss6d_8mB84WZ8O5UacFH4.Vp.HoCwFbzBrS9yZ7W6WYDUh7Y_yDJYE03L1poFnTh1vbw5w_KtX74Klo95FtiIpEpvTwgMkz14v7ue44ByRLmwm5DxTBTNGri11BuAQFZf0931r3qy44MLxLPjb6mHaqMgqBNd0Ell9qo2Gtw52MosABf_mMsIEOL0Y0a13WHiXnBdLez_7lTVl1h8g4wfq6STXcqOHNji7ipIVCgTSM03OUZS3tbQ.hGALfPljzVsLwIsHzrwOnk78GEP1_mNLuZfYBqZRolwiaMOOGjA80vGbArMJAO2S4P_vEywfLlarLpVgGDgJPuCAIRiLK5qr8Fcx8qWrSnDQg2WMHoOiRyjemxcHA4g6M07SsiS1gd8ioJsD8Qap4_3hoC1183qYmhkaEFho4gOt53f8J_xKvrPlWssFwXdA617FJ49yuavn51jsEb.c0j7H5XfQNuL_VYXcUVZiljVgN_HxJEbfbuN66SdUKPkQgTTzMyYj5poJWVSvRy5_yWOi1Btv_VwkaZN5cgegSpM9Wo4u8RK.xr7PpEJysyVnpDbR95LM7Vog1oWIqZ_RvhavFMU.zBkw0Rjy0MBiSZ7o2biAmQrjrg0hQQ7MYioB3WZJiUCsIzuyQYZzx9sayppzvqGudr7bucyfgzK8QUh3m47xibmsBnQVACAHztHeV.oEt3EFK495TxH2O6ZRyEil5DYuMzDi3MQr4_UUB0wd9DSzy3cR8z4cp7xn6JakyzCW3VXhjabIAULcezcuY_DzCfM0HlpAM_eF8C2BrkjL4v2QKNzJold9FswUgaaN7iOskIlyzi0PrbayOXG4SgjjpXuwTdSytNdiGL.jaYGZMeA3NjhwMEvvH3uajv31JzbXAdntqe80VHFcXBC0Ah30A.UhsyRrBkapSP.dCEr2GUgFwBGb9mzsPDOF_DYmV.zzSd_gF.Q45R0RoEhzPEIvZaFXm3F5PPpSu_wyb85vOFOD41D.jeBdHed0Algvy6GBY_2814qdattccUxtfcw8sriSnvBmqD1ydwfBoam_zdXyeDArMpdpYH9YZKejU9GRaumynMiFMQPA_IqqOJ.pjyX50b37CvSFp0W66CKLgc5GiJEz1sNWR1UR3QZSTbUjNh3X5JPS9R4AXRE76lCZSKh0cDk2oUcs8Vmgwxk79n0EUOzoorTOxWDKhWod.1YQdJMhM5xypXi9aCeHyqg.an2GJgBdmKm8SLOMxwOABOC8BrgCJ2r9EEXmJs8kcAlj9M_Zsjk5VK2P1nePZHRew6O9ficKIr_D3awupQiRN8miiFfBvRzqZyHJyYPbswEAIt034DTQpA_C.Dh_yrvr.0pFgnp7Yhi2CxaI_siSwUqSqVxsX3O30EfCWk6JtpUOToV1bYT7hY7.OmJD0FbacaAfs33WRH6JW6UdKwsdQRiutYYih1SflXK8uiZmqm0IONwkkbrXZl0Jp5P.Q.qazCR"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9135a64e7c1c8193';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=Walter%20F.%20Tichy&__cf_chl_rt_tk=Iox5gwlxr5pEycg8opuBDvK.OekaOM4mugCCpBR.mxs-1739793968-1.0.1.1-zdAB1G20sA_k2sGAEkND37ICxthhnx_KTrWVfVDdKCU" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>