Kulagina Valentina I., Ryazanov Stanislav S. «Determination of flooding zones of the floodplain islands on the territory of the Kuibyshevsky water reservoir using remote sensing data» // Geosphere Research 2019. №3 C.69-74
Biktimirov N.M., Gaisin M.I. «Ethnic Aspects of Migration in the Republic of Tatarstan in the 20 century» // 2009. №319 C.77-79