You may also wish to search for items by Ryazanova, A. and Ryazanova.
Only one matching reference was found.
Kushner, T.M.; Shleinikova, M.V.; Ryazanova, A.V.; Bakhvalov, L.A.; Serafimov, L.A., Study of Azeotropy in Aliphatic ALcohol-Paraffin Hydrocarbon Systems at Atmospheric Pressure, Zh. Fiz. Khim., 1981, 55, 1511. [all data]