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![](./images/clear.gif) 1.- Composition and mode of occurrence of mineral matter in some Colombian coals
Elsevier; Amsterdam; NLD; Netherlands, 2008
TSOP 2006; papers from the 23rd annual meeting of TSOP
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![](./images/clear.gif) 2.- Mineral matter in some Colombian coals
Society for Organic Petrology; [location varies]; USA; United States, 2006
Twenty-third annual meeting of the Society for Organic Petrology; abstracts and program
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