B. V. R. . RAO, B. R. . BIRADAR, S. S. . SURPUR, M. G. RAO, and T. S. . NARAYANA, “A study of water availability to the crops grown under rainfed conditions in different soils at Bijapur”, MAUSAM, vol. 30, no. 4, pp. 469–472, Oct. 1979.