Eskew, D. L., & Kumarasinghe, K. S. (1993). Isotopic studies of Azolla and nitrogen fertilization of rice: Report of an FAO/IAEA/SIDA Co-ordinated Research Programme on Isotopic Studies of Nitrogen Fixation and Nitrogen Cycling by Blue-Green Algae and Azolla. Dordrecht, Boston, London: Kluwer Academic Publishers.
Chicago Style CitationEskew, D. L., and K. S. Kumarasinghe. Isotopic Studies of Azolla and Nitrogen Fertilization of Rice: Report of an FAO/IAEA/SIDA Co-ordinated Research Programme On Isotopic Studies of Nitrogen Fixation and Nitrogen Cycling By Blue-Green Algae and Azolla. Dordrecht, Boston, London: Kluwer Academic Publishers, 1993.
MLA CitationEskew, D. L., and K. S. Kumarasinghe. Isotopic Studies of Azolla and Nitrogen Fertilization of Rice: Report of an FAO/IAEA/SIDA Co-ordinated Research Programme On Isotopic Studies of Nitrogen Fixation and Nitrogen Cycling By Blue-Green Algae and Azolla. Dordrecht, Boston, London: Kluwer Academic Publishers, 1993.