Singh, Harkishan; Yadav, Mange Ram; Jindal, Dharam Paul, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 95 - 99
Singh, Harkishan; Yadav, Mange Ram; Jindal, Dharam Paul, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1987, vol. 26, # 1-12, p. 95 - 99