Harrison, A.F. <br/><br/>
Soil organic phosphorus: A review of world literature/ 
Harrison, A.F. 
 - United kingdom  CAB International  1987 
 -  PBK 
<br/><br/><label>ISBN: </label>0851985890 
<br/><br/><label>LC Class. No.: </label>S 591 .H2 1987