Cox, George W. <br/><br/>
Laboratory manual of general ecology / 
George W. Cox. 
 - 4th edition. 
 - Iowa :  William C. Brown,  c1980. 
 - vii, 237 pages :  Illustration ;  28 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0697046796 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Laboratory manuals.