1 | Add to Reading ListSource URL: physics.uark.eduLanguage: English - Date: 2009-11-10 16:26:24
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2 | Add to Reading ListSource URL: www.isbe.netLanguage: English - Date: 2008-10-06 13:59:33
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3 | Add to Reading ListSource URL: www.isbe.netLanguage: English - Date: 2004-03-01 09:51:56
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4 | Add to Reading ListSource URL: www.isbe.state.il.usLanguage: English - Date: 2008-10-06 13:59:33
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5 | Add to Reading ListSource URL: www.isbe.state.il.usLanguage: English - Date: 2004-03-01 09:51:56
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