TY  - BOOK
AU  - Giller, Ken. E
TI  - Nitrogen Fixation in Tropical Cropping Systems
U1  - 589.70913 
PY  - 2001///
CY  - UK
PB  - CABI, Publishing
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Nitrogen fixation
ER  -