TY  - BOOK
AU  - Quispel, A.
TI  - Biology of Nitrogen Fixation
SN  - 0444106308
U1  - 581.13345 
PY  - 1974///
CY  - Amsterdam
PB  - North-Holland Publishing Company
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Biology
KW  - Nitrogen fixation
ER  -