Ayyangar, N. R.; Joshi, S. V.; Lugade, A. G., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 12, p. 1043 - 1046
Ayyangar, N. R.; Joshi, S. V.; Lugade, A. G., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 12, p. 1043 - 1046