Evaluation of soil organic matter models :  using existing long-term datasets / 
edited by David S. Powlson, Pete Smith and Jo U. Smith 
 - Berlin :  Springer-Verlag,  1996 
 - 429 p. :  ill. ;  24 cm. 
 - NATO ASI series. Series I, Global environmental change;  v.38 .
<br/><br/><label>ISBN: </label>3540606025  RM433.30 
<br/><br/><label>LCCN: </label>95-45659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus--Mathematical models--Evaluation--Congresses