Biological monitoring of the environment  a manual of methods 
edited by J. Salanki, D. Jeffrey and G. M. Hughes 
 - Wallingford, Oxon  C. A. B. International  1994 
 - 167 p. ; 26 cm. 
<br/><br/><label>ISBN: </label>0851988938  RM93.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological monitoring<br/>Environmental monitoring