Sanderson, James G <br/><br/>
Null matrices and the analysis of species co-occurrences.  [electronic resource] 

 -  Oecologia  Aug 1998 
 - 275-283 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1432-1939 
<br/><br/><label>Standard No.: </label>10.1007/s004420050589  doi