TY  - BOOK
AU  - Sprent, Janet. I
AU  - Sprent, Peter
TI  - Nitrogen Fixing Organisms: Pure and Applied Aspects
SN  - 9780412346804
U1  - 589.7 
PY  - 1990///
CY  - London
PB  - Chapman and Hall
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Nitrogen fixation
ER  -