1. 2. L.D. Antoniw (1976 )Effect of irradiance on the growth and nitrogen fixing activity ofPhaseolus vulgaris L . Ph.D. thesis , University of Dundee.
2. Growth and Nitrogen Fixation of Phaseolus vulgaris L. at Two Irradiances II. Nitrogen Fixation
3. Primary metabolites of Phaseolus vulgaris nodules
4. 5. N. Arora (1956 ) Morphological study of the root nodules onCajanus indicus.Proceedings of the 43rdIndian Science Congress (Agra)244 -245 .