International Workshop on Associative N b2 s-Fixation )9791: University of Sao Paulo(
Associative N b2 s-fixation
Boca Raton, Fla.
CRC Press
1981
2 v. : ill. ; 26 cm
"Proceedings of the International Workshop of Associative N b2 s-Fixation, July 2-6, 1979, held at Centro de Energia Nuclear na Agricultura, University of Saعo Paulo, Piracicaba, Brazil, with the cooperation of Program Fixacao Biologica de Nitrogenio )CNPq(, EMBRAPA, Servico Nacional de Levantamento e Conservacao de Solos