Walker, James C. <br/><br/>
Numerical Adventures with Geochemical Cycles 
Walker, James C. 
 -  Oxford University Press  1990 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780195364484     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Science