Research on algae, blue-green algae, and photographic nitrogen fixation at the International Rice Research Institute (1963-81), summarization, problems, and prospects /Roger, Pierre-Armand Watanabe, I. BIOLOGIE DU SOL RIZIERE FIXATION BIOLOGIQUE DE L'AZOTE ALGUE ECOLOGIE PHYSIOLOGIE RECHERCHE SCIENTIFIQUE PERSPECTIVE IRRI CYANOPHYCEAE 1982 text https://www.documentation.ird.fr/hor/fdi:02278 fdi:02278 Roger Pierre-Armand, Watanabe I.. Research on algae, blue-green algae, and photographic nitrogen fixation at the International Rice Research Institute (1963-81), summarization, problems, and prospects. 1982, 1-21 EN