Salem, M. A. I.; Hassan, M. A.; Guber, A. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 4, p. 269 - 271
Salem, M. A. I.; Hassan, M. A.; Guber, A. M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 4, p. 269 - 271