Zaruba, Q. Mencl, V. <br/><br/>
Engineering Geology 

 - ELSEVIER SCIENTIFIC PUBLISHING COMPANY  AMSTERDAM  1976 
 - 504p.  fig. ill. 
<br/><br/><label>ISBN: </label>0444998772 
<br/><br/><label>Nat. Bib. No.: </label>5225 
<br/><br/><label>Universal Decimal Class. No.: </label>551.1  / ZAR