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 ; ed. by J. Kubat 

. - Amsterdam ;  London ;  New York [etc.]  : Elsevier, 1992
. - IX-201 p.  : couv. ill. en coul.  ; 25 cm. 
 - Development in agricultural and managed forest ecology  25 .
<br/><br/>Bibliogr. 
<br/><br/><label>ISBN: </label>0444889809 
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>631.872.