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: '917cc76db904fd25',cH: 'AmpJh.Zy.wdyLlu3KcFWqQDecZKT82dPMFZk7CNuEGA-1740539814-1.2.1.1-i92.fUMKsdNo0DPWYhHQjVZoGV7Gjflrj__4_ni3gS1XyhJgQuGJX9gtlony41Qx',cUPMDTk: "\/abstracts\/search?q=Harald%20Lang&__cf_chl_tk=A0qkLO.nYUMmnsPkrDgw4iG1bxAsj_aDIcQm_tbaYcA-1740539814-1.0.1.1-lIsB_aKDnvSxK3hgfIgi2OXzqxKhmzfoWYUP8tM2PdY",cFPWv: 'b',cITimeS: '1740539814',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Harald%20Lang&__cf_chl_f_tk=A0qkLO.nYUMmnsPkrDgw4iG1bxAsj_aDIcQm_tbaYcA-1740539814-1.0.1.1-lIsB_aKDnvSxK3hgfIgi2OXzqxKhmzfoWYUP8tM2PdY",md: "8LXuVhFkHY4fkpdZi4Vh_2jbDaSVtOR2X8jOj.asuTo-1740539814-1.2.1.1-meYlanlHG2mg8Pzf7l9XPxv7GuGYyEUaivwDSL5YB6q4aPY7be1CN4ntJopqAMlYxpiP_SfQjKcs72CJ.Mkxwy0A.8gy6.shB8ewtmwIsY0xkVN60iFDqrYwSzveh.4ERfqB8J_6WndGeQzBisQBE6Wdz9k0Ref2k3LLu2EymRgtU.9F9EdZb6rKH82sT9fkSC8y5kB9ucYgDKHaGmZDBeqI7W2FjzuCSz70ZdOvKd_.JvFoo5oWrYRU5Xl1dLjGKqZrMVk1B69VmnIeA1WgliHt0S2v3K3hgTgH89rrDsXadZxEKgBrQATcADs9WVEIvrp9cbFPLDH6RMHpDClLAUKTyq7EW2zA8KsN43AxKZ48IlpLMflEEnW03wnQ3S9zF3FkEkwBE8zUjzyuZ2NhXwZNgqH0w8XkB3jZW9Rs_NQrVMWfimCLZ78TfRKWJJMr4y4sgra95qAjQS03OH1pMeAmvGJbIM.DVjqGkQWkH0kv8bwA5Nq4SOv5D7UsAvv4texXYp3Ylb37w_eF_RtQR61HIkVw8Rsl9KkFiRxmrJho0pgANSd_SMxiA817bbE_quGiSxXNLrk7sjS5cPTpWzMaTiQ6gSUrY5mhPXeGHq6PGKdI7L5bcnyuLmCvzglaXc2A70EJ0racHsId99ZY8deMVUPnB7_tNyIROwep.mte09GVj2pOW3zm00V7xZtkcdMTLuy5yMaojRCsFq4PeHDp.W6oq.pXLM7fiJEwg8p2NYqz3ajpcL0rENUYFrO8wtGKk05Eg2LjbGp8Ta7m_KrlR8_zGbuFRxdHvgurBKCLeRPEDs0yfWAMNQfzKDcBwEZsqJd4PTqBUIir9sD1J__Xu6tJ0NHxruVOyi7vKFQA7_LiHlB6z9FfCfRNVYbK0Npx6qeeGm.lFQcEfIZ_vxoeYu0cPnInRxj4L4iftukdOGMaZn2vFgnDxKpSSckwDRLbcZg4OBceRoIsLSJ9VwWm7hWFjg8ZpsfCU2r64hE63r27DLA1bE8ZmM918_wSEHJWKbKuOEocZLwDe46aQ0Sx.te_AwBX0ch0DskCDaGbU9L6TxHqtWjIzqlZAg5UUMeNnGuR3MWYYBH_LNAOl8DJxf9DE2ZQ_pArWpcbr1vps4BLcSTSqDBbEpKOwVYuH6Y2ecDnF3992FW4kiT2Rg3O6zOax5niCHeGONb36OzorhPyo9sgXqB0xfrZV5Ce7sf0ojnDvDH8_niu8S8IvOORcp5h84PLRKK0TnybKp3yvScP4P95lmofl9mqmVHsjLSiZT6nrWLId5yhihV601WxpIbfgzpZ.t3pOVyMkTSUObZbQEGtLf4FJXLNikqef7K..8i7.ToGVvNtQf6BVg2IrR1qY0qbWa.DhDg5DjBXOaSoqyZ5JCO9tOQ0kGHfHX7SHzw7vabdYAqW403s6iMcVFm_PtS06jPE5kQQjvZo4bbcfHoBNrURFO6wf.QwmKKupJSOxjIEbX1M9ClMwIh3g6J1Pj5iOvDkmqThN0peOaBz8r1QE7HLjqjJzpyOT3Ad0237POzAicfQPl8azC.mO3dutd6VgXa1gmQDf9uhPkv9zdJAopYcI8NRgcYjmXCvHY3zq8iX5oWq9.yVAuD_rAmqGHNG7rAPvprJD72eTvF3TRgcpmQjVEHD3UJPj4Q1WoDu1Tv9yH4VbIvBI9Un72HgQiRur_z.VAm1hiYCYsr88KZ3wopIRjZW5GlhEWso1HZ_rTVTci8vGY9t7K7Izhk_lvY9IEi3AuhCqIRc49ZA0K.dBigAMC53E.gD7JVAI3DbeeYLvAuRhd75pVOrDakI9ZC1jtdQ2jWCI7sJeu00cXtk.gDQgdHzYZcfOBZA5FV57MHPy3W5Tg_h5KA2gN9o157yMaFcuF87woePhkZ8HrUemdyA.OYFWguYtq0.869okDZL7anteZa4GV5F_u.1kpXEFt_jCaMuLRU",mdrd: "C4mwIl_PAM5BsCDubOnuXV7VseHVqcLgu8snOZt9SrA-1740539814-1.2.1.1-h.KEmwNQ60yBuUu5ebmQvRpzNio2W_1h2cvcsaNQhnPxBjFuhTdFU2jrHiUS2h.sCjugzQ7KmIGvaBW7OZAdCSoQ6hTIvDaH5FvVPSno2MKhYM5_zf40hqPEHE2JQDrcVE9UzcrskfI5O3DBJzKktxO8is35QN0YleYlF9lb.6eMWlt3xTcWvyTvLkyFGypye5s75kXT2sv4LHg2O0FBk1IQHBe9OTWfYM2ghSRwaQ3.Vjovaa7BlyuZIodC4sM.JFZ1ZRbnbTdFMi37hUKmH6r3ZsTEjv2rXezXBTAV4OqB7Fj2gI7fRtRdZOSA3Tjl9Z8oQTm9VS1eOKvQh_XzUJP6cVwqmW3qKMym25FUwtznIZ19Qf86Tz7wukoi1wosshN2uDAtezzeZUtiW6Q0PrQLysKmcOQ1wtNdR3.sT7D2MzNbR9w6slDhy6QSn6gyhzDkBMEhFQzAnNRhBUIfSfClco6GwzWBkiAfd2s9J1peS1edPSpV7S27IzEaDew7V7YQsX4fIn_FQBq8oxPgD3aGLMSPRlod7T5gLu5HYG84.bl.vysI_M3lSmTeW9TPZZFDMKUFWTliZ0XJacgDciKPFYXUbq2XgcIqCLtiQrV_TMWRjSc2O6tbQng6f4TVva4MRn7Tp_Kp4HwDeOEM78e5eI0aW_d3Ps3M.HA_7fRDy9YzuJhp17SRljw6wukKM.h66PY_8YPYVYjCSsHHUft7_zE0tBFh18B6zZZyx6bX3EEglV2DfsbspzvVJH8A9HS4LQFQUnlAoqF9xmqq.WgPM2nryHRr62BI64pNk4v6JQdPHR2yLcrq9dM00KCh0pLnCbT7qkYEebFcZEv.KKR5XXUg8OncWmW.7NX1eloQThV.yAbRqwOBX5xc9AW464iukb0SsG__HGot4bIAAPN24kBF3XhGMSjAzIX24tXs8QF4zuVtMsKG1NVxFsPDsKeTLJjyLF9zqondn0NJFqW.XVCp62BDC1f4U5_iL3hiOR_4PrLzSy36CBy4W11yVo2AfKzyyqANfylQK6w8njIaiuAI9.Z99T5IQQL2K0lxhXO.k6QiTiOUGgEHWYyR_VhCPm3h.zeFpm1PxUlNciASu2Mvvf9lbaZ3f.7TU6C8PHioUg9jgiWt3khATlltWty0RrHpS3UANTrJjaOtlc8BkUbExlLqVbeKzclIuvODCN0cBsOIy.Xj9UPJ.YrcOIaqSFUWbrDpieU43hYaVsec5UiD9oQq4UYH..LJuVqWHIfGAhJAicq_vm0WwKIxVikXfinLtwQnIbzW_5kQHhZdW0TZDQczwXhWEHrIGwF_npTafERJWd6RgNsIFpWOVMa0T_gGpVfg3oIT5gNJPXikDHFMV7bZEjHjf_hOgxWb8LYlpm7XWEuYHVPx5deWMnEd8ibllOF_A.IC3hM7wR6xq8nsxDAyEpKm0iO0.vfVZ8uE0ziSWVJXV.3O4J3KKDRqR9uy.iVY0X.lPcCJjM2QgjgPBRIWdPuD0jhMLwiIqu_xvqUxitKR5MbUVDlNWhCsyNfvp4HtaeZDtuANVQWhP5OgETaY6r2GuaPZLdlV1zFwtRiWdGNbBxKbg1_zKdAX7lRO2nsu3Et5rUSr5zMWZ3ED7EW5ROlGxVTEXM1NXKFIZ8wFcEr5XAmDBDQIS_fQl7cvImZqY0tyHALdqBIQ_.rH2YCpTrzC8dzysKO8_J2hcazWQYtlBBe8QsZsj5UmUNoaB7R6zYCoU3gZTG3L54Da8L4MTTNFAnynudwlTMlIeqdcVtMHIH3lE73bd_8n1m1iAh2qwz4xeVYAkLa9zOsXMn0lJYWG_.tIX2zOd1Sc_gpYt4lrv6bAH3mrc9nAoeZFPt8rX_2lbeFAYgJnbDADMo5a9NDeAGGfdXyFh3pGK6t9RjdW5qwSo2w3JFEWF9f4M747JkZClHgZ35WD8Nur3NrK1J7LTMu6RokywS6xeRzxLbauS9b9THU7XP6s.b0FQ0xHWNhThjXYlQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=917cc76db904fd25';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=Harald%20Lang&__cf_chl_rt_tk=A0qkLO.nYUMmnsPkrDgw4iG1bxAsj_aDIcQm_tbaYcA-1740539814-1.0.1.1-lIsB_aKDnvSxK3hgfIgi2OXzqxKhmzfoWYUP8tM2PdY" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>