WALKER, Colin <br/><br/>
Environmental pollution by chemicals 
/ [by] Colin Walker 
 - 2nd rev.ed. 
 - London  Hutchinson  1975 
 - 72 p. 
<br/><br/> Includes appendix and glossary 
<br/><br/><label>ISBN: </label>91238919 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental toxicology<br/>Environmental pollution<br/> Chemicals
<br/><br/><label>Dewey Class. No.: </label>615.902  / WAL