Yapp, W. B. <br/><br/>
Production, pollution, protection 

 - London,  Wykeham,  1972. 
 - xii, 181 p.  ill., maps. 
 - The Wykeham science series, 19 .
<br/><br/> Distributed in the Western Hemisphere by Springer-Verlag, New York. 
<br/><br/><label>ISBN: </label>0851092500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Nature<br/>Pollution.
<br/><br/><label>LC Class. No.: </label>MED QH545  / .A1Y1