Digby, P. G. N. <br/><br/>
Multivariate analysis of ecological communities / 
P. G. N. 
 - New York :  Chapman and Hall,  1987. 
 - viii, 206 p. :  ill. ;  24 cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0412246406 
<br/><br/><label>LCCN: </label>8617583  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotic communities--Statistical methods.<br/>Ecology--Stastical methods.<br/>Multivariate analysis.