Distance sampling :  estimating abundance of biological population s / 
S.T. Buckland ... [et al.]. 
 - 1st ed. 
 - London ;   New York :  Chapman & Hall,  1993. 
 - xii, 446 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 421-440) and index. 
<br/><br/><label>ISBN: </label>0412426609 0412426706 (pbk.) 
<br/><br/><label>LCCN: </label>92-039560 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal populations--Estimates.<br/>Sampling (Statistics)
<br/><br/><label>Dewey Class. No.: </label>591.788