Valkovic, Vlado . <br/><br/>
Trace Elements in Coal Vol. I /  Textual Documents 
Vlado Valkovic. 
 - 1st ed. / 
 - Florida :  CRC Press ,  2000. 
 - 210p. :  ill. ;  26cm . 
<br/><br/>Bib, Index 
<br/><br/><label>ISBN: </label>0-8493-5491-9 
<br/><br/><label>Subjects--Index Terms: </label>Geology Coal-Analysis Trace Elements-Analysis Mineralogy Minerals PG-Geology 
<br/><br/><label>Dewey Class. No.: </label>553.2  / Va 23 Tr