Gilbertson, D. D. <br/><br/>
Practical ecology :  for geography and biology survey, mapping and data analysis / 
D. D Gilbertson, M. Kent and F. B Pyatt. 
 - Boston :  Unwin Hyman,  1985. 
 - 320p. :  ill. ;  24cm. 
<br/><br/>includes Bibliographical references and index. 
<br/><br/><label>ISBN: </label>0044453752 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>LC Class. No.: </label>QH541.28  / .G55 1985