Allen, Stewart E. <br/><br/>
Chemical analysis of ecological materials.   
by Stewart E. Allen. 
 - 2nd. 
 - Oxford  Blackwell  1989 
 - xii, 368p 
<br/><br/><label>ISBN: </label>0632017422 
<br/><br/><label>Dewey Class. No.: </label>543  / N89