Herak M Ed. <br/><br/>
Karst    Important Karst regions of the Northern He    

 - Amsterdam  Elsevier            1972 
 - xiv,551p.  cm. 
<br/><br/><label>ISBN: </label>0444408495 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomorphology
<br/><br/><label>Dewey Class. No.: </label>U21.1-1.N7, L2