Kononova, M. M. <br/><br/>
Soil organic matter :  its nature, its role in soil formation and in soil fertility / 
by M. M. Kononova. Translated from the Rusian by T. Z. Nowakowski and A. C. D. Newman. 
 - Oxford:  Pergamon Press,  1961. 
 - 450 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus.