Hishmat, O. H.; Rahman, A. H. Abd El; Khalil, Kh. M. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 4, p. 268 - 270
Hishmat, O. H.; Rahman, A. H. Abd El; Khalil, Kh. M. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 4, p. 268 - 270