151 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2011-08-11 16:27:46
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152 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-01-31 10:08:54
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153 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-06-19 07:54:54
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154 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2011-09-08 15:29:17
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155 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2011-08-11 16:28:22
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156 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2011-09-08 13:08:08
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157 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2010-10-18 16:53:13
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158 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2012-11-14 22:02:33
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159 | Add to Reading ListSource URL: www.tsask.caLanguage: English - Date: 2013-06-26 17:45:10
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160 | Add to Reading ListSource URL: www.mhra.gov.ukLanguage: English - Date: 2014-07-29 07:59:55
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