Walker, C. H. <br/><br/>
Environmental pollution by chemicals /  
Colin Walker. 
 - 2nd ed. 
 - London :  Hutchinson,  1975. 
 - 72 p. :  ill., maps ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 69. 
<br/><br/><label>ISBN: </label>0091238919 :  £1.95 
<br/><br/><label>LCCN: </label>75596236  
<br/><br/><label>Nat. Bib. No.: </label>GB75-22125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution.<br/>Chemicals.<br/>Organic water pollutants.<br/>Environmental pollution.
<br/><br/><label>LC Class. No.: </label>TD177  / .W34 1975 
<br/><br/><label>Dewey Class. No.: </label>363.73  / WAE 
<br/><br/><label>National Library of Medicine Call No.: </label>WA670 W177e 1975