You may also wish to search for items by Shashkin, N. and Shashkin.
Only one matching reference was found.
Verevkin, S.P.; Nesterov, O.A.; Rempel, P.D.; Synkova, N.V.; Shashkin, N.P., Chromatographic determination of the products of condensation of alkylphenols with formic aldehyde, Zh. Anal. Khim., 1990, 43, 760-761. [all data]