Hassan, M. A.; El-Borai, M.; Salem, M. A. I., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 2, p. 112 - 114
Hassan, M. A.; El-Borai, M.; Salem, M. A. I., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 2, p. 112 - 114