Gohar, Abd El-Kerim M. N.; Regaila, Hassan A. A.; El-Gemeie, Galal El-Din H., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 4, p. 368 - 370
Gohar, Abd El-Kerim M. N.; Regaila, Hassan A. A.; El-Gemeie, Galal El-Din H., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 4, p. 368 - 370