Shridhar, D. R.; Sastry, C. V. Reddy; Bansal, O.P., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 5, p. 401 - 403
Shridhar, D. R.; Sastry, C. V. Reddy; Bansal, O.P., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 5, p. 401 - 403