481![](https://www.pdfsearch.io/img/7a67e1cca2569ed8dab0e03d01ba7648.jpg) | Add to Reading ListSource URL: digital.libraries.ou.eduLanguage: English - Date: 2002-07-26 20:06:44
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482![](https://www.pdfsearch.io/img/38933944966a06ca700f3f2ab077a6d3.jpg) | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2007-03-29 17:41:48
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483![](https://www.pdfsearch.io/img/7298d2577c38e39d4e293491eea8f416.jpg) | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2005-11-07 16:35:17
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484![](https://www.pdfsearch.io/img/8ee68c28dd1c3e53f05e47111eb64526.jpg) | Add to Reading ListSource URL: digital.libraries.ou.eduLanguage: English - Date: 2003-01-12 21:21:41
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485![](https://www.pdfsearch.io/img/617a52e612f403dee5d5b2754b09b5da.jpg) | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2005-11-14 13:40:10
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486![](https://www.pdfsearch.io/img/e6a24f8c42bc9224ea0651cfd5ffff7d.jpg) | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2005-11-09 16:40:50
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487![](https://www.pdfsearch.io/img/5a79f8a8e4ee9c42e3cc90ac7930849b.jpg) | Add to Reading ListSource URL: digital.libraries.ou.eduLanguage: English - Date: 2004-01-06 14:49:23
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488![](https://www.pdfsearch.io/img/87891a04dd55c6ac8821828d6ecdb4c9.jpg) | Add to Reading ListSource URL: digital.libraries.ou.eduLanguage: English - Date: 2005-05-10 16:09:40
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489![](https://www.pdfsearch.io/img/d330e95a0f1b9d77f16bea4bfb74c8fc.jpg) | Add to Reading ListSource URL: digital.libraries.ou.eduLanguage: English - Date: 2003-07-25 15:00:50
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