Khalafallah, A. K.; Selim, M. A.; El-hamd, R. M. Abu, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1995, vol. 34, # 12, p. 1066 - 1070
Khalafallah, A. K.; Selim, M. A.; El-hamd, R. M. Abu, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1995, vol. 34, # 12, p. 1066 - 1070