Brown, Lester Russell. <br/><br/>
The twenty-ninth day :  accommodating human needs and numbers to the earth's resources / 
Lester R. Brown. 
 - New York :  Norton,  c1978. 
 - xiii, 363 p. 
<br/><br/> "A Worldwatch Institute book." 
<br/><br/><label>ISBN: </label>0393056643 
<br/><br/><label>LCCN: </label>92010130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Natural resources.<br/>Population.<br/>Environmental policy.