Angelis,Donald L <br/><br/>
Positive feed back in natural systems 

 - Springer Verlag  1986 
 - xii,290p.  HB  22cm. 
 - Biomathematics Vol 15 .
<br/><br/> includes bibliographical references and index 
<br/><br/><label>ISBN: </label>3540159428 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ecology<br/>Natuaral Systems<br/>Mathematical Ecology