TY  - BOOK
AU  - Elkan, Gerald H.
TI  - Symbiotic nitrogen fixation technology
T2  - Books in soils and the environment
SN  - 0824777514
U1  - 631.46 
PY  - 1987///
CY  - New York
PB  - Marcel Dekker
KW  - NitrÃ³geno
KW  - FijaciÃ³n
KW  - Simbiosis
ER  -