Wadsworth, Richard <br/><br/>
GIS for ecology :  an introduction / 
Cover title :  Geographical information systems for ecology :  an introduction 
Richard Wadsworth and Jo Treweek 
 - New York :  Longman,  1999 
 - xiii, 184 p. :  ill. ;  24 cm. 
<br/><br/>References : p. 172-176 
<br/><br/><label>ISBN: </label>0582246520 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Data processing<br/>Geographic information systems