Conference on Clay Mineralogy and ... <br/><br/>
Fourth Conference on Clay Mineralogy and Petrology in Kosic, Praha,1967. 

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 - Praha - CHEC  Universita Karlova  1968 
 - 145p.  24cm 
 - Conference on Clay Mineralogy and Petrology,4th.   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Congresos--Minerales arcillosos--Rocas arcillosas--Arcillas--Petrologia--Minas--<br/>Geologia