Tamm, Carl Olof <br/><br/>
Nitrogen in terrestrial ecosystems  questions of productivity, vegetational changes, and ecosystem stability 
Carl Olof Tamm 
 - Berlin  Springer-Verlag  1991 
 - xii, 115 p.  ill.  25 cm. 
 - Ecological studies  v. 81 .
<br/><br/>Includes bibliographical references (p. 100-110) and index 
<br/><br/><label>ISBN: </label>3-540-51807-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen cycles<br/>Biotic communities<br/>Plants--Effect of nitrogen on<br/>Ecology<br/>Forest ecology