TY  - BOOK
AU  - Janet T. Sprent
TI  - Biology of nitrogen-fixing organisms
SN  - 0-07-084087-3
U1  - 589.95 
PY  - 1979///
CY  - London
PB  - McGraw Hill Book Company Ltd
N1  - Janet T. Sprent: Biology of nitrogen-fixing organisms.  London.  McGraw Hill Book Company Ltd, 1979. 0-07-084087-3--(589.95SPR)
ER  -