Yadav, Mange Ram; Jindal, Dharam Paul; Singh, Harkishan, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1988, vol. 27, # 1-12, p. 205 - 208
Yadav, Mange Ram; Jindal, Dharam Paul; Singh, Harkishan, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1988, vol. 27, # 1-12, p. 205 - 208