The plant community as a working mechanism :  special publication number 1 of the ... 
<label>;</label> Newman, E.I. 
 - Oxford  Blackwell Scientific Publications  1982 
 - 128p. 
<br/><br/>PR 
<br/><br/><label>ISBN: </label>0632008393 
<br/><br/><label>Dewey Class. No.: </label>581.524  / P