81![national academy of sciences Paul sophus Epstein national academy of sciences Paul sophus Epstein](https://www.pdfsearch.io/img/130fee128adffee6fdaf71bea1ded894.jpg) | Add to Reading ListSource URL: books.nap.eduLanguage: English - Date: 2009-06-22 11:19:15
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82![national academy of sciences Otto Laporte national academy of sciences Otto Laporte](https://www.pdfsearch.io/img/3625c77b0083276ed4109454a87ec98d.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2012-07-20 14:28:36
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83![NATIONAL ACADEMY OF SCIENCES KARL FERDINAND HERZFELD NATIONAL ACADEMY OF SCIENCES KARL FERDINAND HERZFELD](https://www.pdfsearch.io/img/aef6ddcbf3c82b02567c99ed1d3f48db.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2012-07-18 15:09:22
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84![national academy of sciences Paul sophus Epstein national academy of sciences Paul sophus Epstein](https://www.pdfsearch.io/img/160912c5f0aa1dbe25c984d7ddfca899.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2012-07-10 15:40:12
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85![national academy of sciences Carl henry Eckart national academy of sciences Carl henry Eckart](https://www.pdfsearch.io/img/343b5d88636ac42b18ed5bf2e83f950d.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2012-07-10 15:24:52
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86![](https://www.pdfsearch.io/img/4cf920d401e0074cba44d997719c9f3a.jpg) | Add to Reading ListSource URL: www.2iceshs.cyfronet.plLanguage: English - Date: 2008-02-07 07:36:31
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87![selectionRulesSubmittedPDF selectionRulesSubmittedPDF](https://www.pdfsearch.io/img/312e85017778ecaf2af671028d05bdcf.jpg) | Add to Reading ListSource URL: www.weatherglass.euLanguage: English - Date: 2011-08-07 07:32:40
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88![](https://www.pdfsearch.io/img/ecd19af092c292d20dfcfb3fba3e2e4d.jpg) | Add to Reading ListSource URL: www.olemiss.eduLanguage: English - Date: 2005-01-11 17:17:58
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89![](https://www.pdfsearch.io/img/f9afc64423652f4d5a21f83894361e13.jpg) | Add to Reading ListSource URL: uqu.edu.saLanguage: English - Date: 2010-02-03 03:51:52
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90![](https://www.pdfsearch.io/img/ca3175a9fbdf5b0da3d2dbf1a75987b1.jpg) | Add to Reading ListSource URL: careerchem.comLanguage: English - Date: 2011-10-23 14:01:43
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