Biswas, K. M.; Dhara, R. N.; Mallik, Haimanti, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 313 - 315
Biswas, K. M.; Dhara, R. N.; Mallik, Haimanti, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 313 - 315