Talukdar, P. D.; Sengupta, S. K.; Datta, A. K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 7, p. 538 - 542
Talukdar, P. D.; Sengupta, S. K.; Datta, A. K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 7, p. 538 - 542