Scientific method for ecological research 
Ford, E. D. (Edward David) 
 -  Cambridge University Press,  2000 
 - xix, 564 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-521-66005-X (hardcover) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology -- Research -- Methodology.
<br/><br/><label>Dewey Class. No.: </label>577.072  F66s 2000