Rao, Ch. Bheemasankara; Raju, G. V. Subba; Raju, P. V. Narasimha, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1986, vol. 25, p. 400 - 403
Rao, Ch. Bheemasankara; Raju, G. V. Subba; Raju, P. V. Narasimha, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1986, vol. 25, p. 400 - 403