(1992). Biological nitrogen fixation for sustainable agriculture: Extended versions of papers presented in the symposium, role of biological nitrogen fixation in sustainable agriculture at the 13th Congress of soil science, Kyoto, Japan, 1990. Kluwer Academic.
Chicago-viite (17. p.)Biological Nitrogen Fixation for Sustainable Agriculture: Extended Versions of Papers Presented in the Symposium, Role of Biological Nitrogen Fixation in Sustainable Agriculture at the 13th Congress of Soil Science, Kyoto, Japan, 1990. Dordrecht: Kluwer Academic, 1992.
MLA-viite (9. p.)Biological Nitrogen Fixation for Sustainable Agriculture: Extended Versions of Papers Presented in the Symposium, Role of Biological Nitrogen Fixation in Sustainable Agriculture at the 13th Congress of Soil Science, Kyoto, Japan, 1990. Kluwer Academic, 1992.