Ayyangar, N. R.; Kolhe, P. Y.; Tilak, B. D., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 10, p. 836 - 843
Ayyangar, N. R.; Kolhe, P. Y.; Tilak, B. D., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 10, p. 836 - 843