Venkataratnam, R. V.; Mohan, K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 9 p. 805 - 809

Venkataratnam, R. V.; Mohan, K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 9 p. 805 - 809