TY  - BOOK
AU  - Giller,Ken E.
AU  - Wilson,Kate J.
TI  - Nitrogen fixation in tropical croping systems 
SN  - 0851986714
PY  - 1991///
CY  - Wallingford
PB  - C.A.B international
KW  - BI-BuBU
KW  - Culture tropical :Azote.Fixation
KW  - Azote.Fixation : culture tropicale
N1  - Index
ER  -