TY  - BOOK
AU  - Ken E. Giller
AU  -  Kate J. Wilson, 
TI  - Nitrogen fixation in tropical cropping systems
SN  - 0-85198-671-4
U1  - 589.95 
PY  - 1991///
CY  - Wallington
PB  - C A B International
N1  - Ken E. Giller & Kate J. Wilson: Nitrogen fixation in tropical cropping systems.  Wallington.  C A B International, 1991. 0-85198-671-4--(589.95GIL)
ER  -