Cohen, Joel E. <br/><br/>
Food webs and niche space / 
Joel E. Cohen. 
 - Princeton, N.J. :  Princeton University Press,  c1978. 
 - xv, 189 p. :  ill. 
 - Monographs in population biology ;  11 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Food chains (Ecology)<br/>Niche (Ecology)