Ashry, E. S. H. El; Nassr, M. A. M.; Abdallah, A. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 7, p. 612 - 615
Ashry, E. S. H. El; Nassr, M. A. M.; Abdallah, A. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 7, p. 612 - 615