TY  - BOOK
AU  - Graham,Peter H.
AU  - Harris,Susan
TI  - Biological Nitrogen Fixation Technology For Tropical Agriculture / Graham, Peter H.; Susan Harris
SN  - 8489206228
U1  - 630.24 
PY  - 1982///
CY  - Cali
PB  - Ciat
KW  - QUIMICA AGRICOLA
KW  - NITROGENO - FIJACION
ER  -