Southwood, T. R. E. <br/><br/>
Ecological methods :  with particular reference to the study of insect populations / 
T. R. E. Southwood 
 - 2nd ed. 
 - London :  ELBS,  1978 
 - 524 p. :  ill. ;  25 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0412158809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Technique<br/>Insect populations