Ehrlich, Paul R. <br/><br/>
Man and the ecosphere;  readings from Scientific American. 
With commentaries by Paul R. Ehrlich, John P. Holdren [and] Richard W. Holm. 
 - San Francisco,  W. H. Freeman  [1971] 
<br/><br/>Bibliography: p. [293]-301. 
<br/><br/><label>ISBN: </label>0716709430 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.