Distance sampling :  estimating abundance of biological populations / 
S.T. Buckland ... [et al.]. 
 - London ;  New York :  Chapman & Hall,  1993. 
 - xii, 446 p. :  ill. : Pbk 
<br/><br/><label>ISBN: </label>0412426706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal populations--Estimates.<br/>Sampling (Statistics)
<br/><br/><label>LC Class. No.: </label>QL752  / .D5 1993 
<br/><br/><label>Dewey Class. No.: </label>591.5/248