Soil microbiology and plant nutrition :  proceedings of Symposium Somiplan held in Kuala Lumpur, August 1976 / 
edited by W. J. Broughton ... (et al.) 
 - Kuala Lumpur :  University of Malaya Press,  1979 
 - 642 p. :  ill. ;  27 cm. 
<br/><br/>References 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil micro--organisms--Congresses<br/>Plants--Nutrition--Congresses