261![](https://www.pdfsearch.io/img/b3beea39df743143d190b2ade2c40303.jpg) | Add to Reading ListSource URL: www.jpier.orgLanguage: English - Date: 2011-09-14 17:56:19
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262![](https://www.pdfsearch.io/img/af2ab4420d33c921bed9bd2ef28441b4.jpg) | Add to Reading ListSource URL: www.newscientist.comLanguage: English - Date: 2011-01-12 07:28:09
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263![](https://www.pdfsearch.io/img/0de3d27ff5df979d393441c59ab50de6.jpg) | Add to Reading ListSource URL: www.physik.uni-kl.deLanguage: English - Date: 2012-02-20 09:06:16
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264![](https://www.pdfsearch.io/img/ed3c60e6c44ca3754b5adbcd168562aa.jpg) | Add to Reading ListSource URL: www.pi4.uni-stuttgart.deLanguage: English - Date: 2008-11-04 05:29:25
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265![](https://www.pdfsearch.io/img/e398ca8b63abd5a550395937a0b4ba76.jpg) | Add to Reading ListSource URL: cobweb.ecn.purdue.eduLanguage: English |
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266![](https://www.pdfsearch.io/img/57c92d5f62fa33ee6392ccb8a34c62c5.jpg) | Add to Reading ListSource URL: books.mcgraw-hill.comLanguage: English - Date: 2007-12-12 07:29:20
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267![](https://www.pdfsearch.io/img/d1389274b9b1ac504fcd9ab35409081a.jpg) | Add to Reading ListSource URL: ecn.www.ecn.purdue.eduLanguage: English |
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268![](https://www.pdfsearch.io/img/30c214d77ebba6682909ba105c4f4212.jpg) | Add to Reading ListSource URL: ecn.www.ecn.purdue.eduLanguage: English |
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269![](https://www.pdfsearch.io/img/e15b6dafda212794193c09327598ea27.jpg) | Add to Reading ListSource URL: cobweb.ecn.purdue.eduLanguage: English |
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270![](https://www.pdfsearch.io/img/2226ec96ffd31cab87fbb885264723b3.jpg) | Add to Reading ListSource URL: www.esm.psu.eduLanguage: English - Date: 2007-02-17 11:14:13
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