United Nations Educational, Scientific and Cultural Organisation <br/><br/>
Soil biology reviews of research 

 - Paris  United Nations Educational, Scientific and Cultural Organisation  1969 
 - 240p 
<br/><br/>United Nations Educational, Scientific and Cultural Organisation: Soil biology reviews of research.  Paris.  United Nations Educational, Scientific and Cultural Organisation, 1969.--(631.46UNI)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.46  / UNESCO