Chayes, Felix. <br/><br/>
Ratio correlation  a manual for students of peterology and geochemistry 
by Felix Chayes 
 - Chicago  University of Chicago Press  1971 
 - viii, 99p. 
<br/><br/><label>ISBN: </label>0226102181 
<br/><br/><label>LCCN: </label>71-146110 
<br/><br/><label>Dewey Class. No.: </label>512.924  / N71