TY  - BOOK
TI  - Isotopes in biological dinitrogen fixation : : proceedings of an Advisory Group Meeting / 
T2  - Panel proceedings series
SN  - 9200110789
U1  - 589 
PY  - 1978///
CY  - Vienna : 
PB  - International Atomic Energy Agency, 
KW  - NitrogÃªnio
KW  - Microorganismos fixadores
KW  - Congressos
KW  - IsÃ³topos
KW  - FixaÃ§Ã£o
ER  -