TY  - BOOK
AU  - A. Quispel
TI  - Biology of nitrogen fixation
SN  - 0-7204-7135-4
U1  - 589.95 
PY  - 1974///
CY  - Oxford
PB  - North-Holland Publishing Co
N1  - A. Quispel: Biology of nitrogen fixation.  Oxford.  North-Holland Publishing Co, 1974. 0-7204-7135-4--(589.95QUI)
ER  -