Humus, its structure and role in agriculture and environment :  proceedings of the 10th Symposium Humus et Planta, held in Prague, in August 19-23, 1991 / 
edited by J. Kubát. 
 - Amsterdam ;  New York :  New York, NY, USA :  Elsevier ;  Distributors for the U.S. and Canada, Elsevier Science Pub. Co.,  1992. 
 - ix, 201 p. :  ill. ; 
 - Developments in agricultural and managed-forest ecology ; .
<br/><br/><label>ISBN: </label>0444889809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus--Congresses.<br/>Crops and soils--Congresses.
<br/><br/><label>LC Class. No.: </label>S593.H8 1992