El-Housseni, M. S.; Hassan, H. M.; Fadda, A. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1984, vol. 23, # 11, p. 1119 - 1121
El-Housseni, M. S.; Hassan, H. M.; Fadda, A. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1984, vol. 23, # 11, p. 1119 - 1121