Chemical cycles in the evolution of the earth 
edited by C. Bryan Gregor ... et al. 
 - New York :  John Wiley & Sons,  1988 
 - 276 p. :  ill. ;  24 cm. 
<br/><br/> Based on discussion held in the forum of the Work Group on Geochemical Cycles 
<br/><br/><label>ISBN: </label>0471089117 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemistry--Congresses<br/>Geology--Periodicity--Congresses