1. Acetylene reduction by nitrogen-fixing preparations from Clostridium pasteurianum;Dilworth;Biochem. Biophys. Acta,1966
2. Variations in nodular nitrogenase activity of winter legumes during various growth phases;Garg;Ind. J. Microbiol.,1981
3. Hardy, R. W. F., and Havelka, U. D.: Photosynthate as a major factor limiting nitrogen fixation by field-grown legumes with emphasis on soybeans. In: Symbiotic Nitrogen Fixation in Plants (P. S. Nutman, ed.). Cambridge 1976, 421–439.
4. The acetylene-ethylene assay for N2-fixation: Laboratory and field evaluation;Hardy;Plant Physiology,1968
5. Reduction of acetylene to ethylene by soybean root nodules;Koch;Plant Physiol.,1966