Singh, Manoj K.; Singh, Ram S.; Singh, Radhey M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1999, vol. 38, # 8, p. 920 - 924
Singh, Manoj K.; Singh, Ram S.; Singh, Radhey M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1999, vol. 38, # 8, p. 920 - 924