Longgood, William <br/><br/>
Darkening land : a comprehensive survey of pollution's inroad on the world's environment 
William Longgood 
 - London  Simon and Schuster  1972 
 - viii,572p.;   24cm. 
<br/><br/><label>ISBN: </label>671-21217-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>363.73  / LON