Encyclopedia of caves and karst science / 
edited by John Gunn. 
 - London :  Fitzroy Dearborn,  2004. 
 - xviii, 902  p. 
<br/><br/><label>ISBN: </label>1579583997 :  Donation 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caves--Encyclopedias.<br/>Karst--Encyclopedias.