Nitrogen fixation by legumes in Mediterranean agriculture :  proceedings of a workshop on biological nitrogen fixation on Mediterranean - type agriculture, ICARDA, April 14-17, 1986 / 
Edited by D. P. Beck and L. A. Materon. 
 - Dordrecht :  Martinus Nijhoff Publishers,  1988. 
 - 379 p. :  ill. ;  24 cm. 
 - Developments in plant and soil sciences  v. 32 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Legumes--Congresses.<br/> Legumes--Mediterranean Region--Congresses.<br/> Nitrogen--Fixation--Congresses.<br/> Rhizobium--Congresses.<br/> Symbiosis--Congresses.