Lohar, J. M.; Mahsru, Urvashi, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1981, vol. 20, # 2, p. 125 - 128
Lohar, J. M.; Mahsru, Urvashi, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1981, vol. 20, # 2, p. 125 - 128