Mohr, Charles E <br/><br/>
life of the cave 

 - 
 - New York  McGraw-Hill  1966 
 - 232p   
<br/><br/>  Published in coopefation with the World Book Encyclopedia 
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Life  cave  Nature 
<br/><br/><label>Dewey Class. No.: </label>591(24)