Tewari, S. C.; Rastogi, Shri Nivas; Anand, Nitya, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 2, p. 139 - 142
Tewari, S. C.; Rastogi, Shri Nivas; Anand, Nitya, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 2, p. 139 - 142