Srivastava, S. K.; Akhila, A.; Nigam, M. C., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984, vol. 23, # 9, p. 897 - 898
Srivastava, S. K.; Akhila, A.; Nigam, M. C., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984, vol. 23, # 9, p. 897 - 898