American geological  institute <br/><br/>
Dictionary of geological terms 

 - New York,  Dolphin Books,  1962 
 - ,  ,  Book  
<br/><br/> School of Marine Sciences 
<br/><br/><label>Subjects--Index Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>550.03  / K2