Scientific and technical societies of Canada 
/ The Canada Institute for Scientific and Technical Information 
 - 3rd ed. 
 - Canada:   The Canada Institute for Scientific and Technical Information,    1974 
 - 77p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Geology 
<br/><br/><label>Universal Decimal Class. No.: </label>R 5/6:061.2(71)  / L4