The biodiversity of microorganisms and invertebrates :  its role in sustainable agriculture, Proceedings of the First workshop on the Ecological Foundations of Sustainable Agriculture (WEFSA 1) London, 26-27 July 1990 / 
edited by D.L. Hawksworth. 
 - London :  C.A.B. International,  1991. 
 - xviii, 302 p. :  ill. 
<br/><br/><label>ISBN: </label>0851987222 
<br/><br/><label>LCCN: </label>93014278     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological diversity conservation--Invertebrates.<br/>Biological diversity conservation--Microorganisms.<br/>Agricultural conservation.<br/>Agricultural ecology.<br/>Germplasm resources.