Mahajan, R. K.; Srivastava, M. M.; Sharma, Pawan, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 6, p. 520 - 521
Mahajan, R. K.; Srivastava, M. M.; Sharma, Pawan, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 6, p. 520 - 521