Ecological census techniques  a handbook 
edited by William J. Sutherland. 
 - 2nd ed. 
 - Cambridge  New York  Cambridge University Press  2012. 
 - xv, 432 p.  ill.  26 cm. 
<br/><br/><label>ISBN: </label>0521844622 
<br/><br/><label>LCCN: </label>2006286088 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecological survey--Methodology.
<br/><br/><label>LC Class. No.: </label>QH541.15.S95  / E26 2006