Shams, N. A.; Kaddah, A. M.; Moustafa, A. H., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 4, p. 317 - 320
Shams, N. A.; Kaddah, A. M.; Moustafa, A. H., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 4, p. 317 - 320