Readings in conservation ecology / 
edited by George W. Cox. 
 - New York:  Appleton-Century-Crofts,  1969. 
 - 595p.:   ill.;   24cm 
<br/><br/><label>ISBN: </label>0390213403 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources--Addresses, essays, lectures.<br/>Ecology--Addresses, essays, lectures.