Sychev Anton A., Snegin Eduard A. «Microprotrusion variability of demographic and shell parameters in Helicopsis striata populations (Mollusca; Pulmonata; Hygromiidae) in the South of the Mid-Russian Upland» // Tomsk State University Journal of Biology 2016. №4 (36) C.127-146
Shapovalov Alexander S., Sychev Anton A., Ponomarenko Elena V., Snegin Eduard A., Chendev Yuriy G. «On the history of forming the steppe malacofauna in the south of the Mid-Russian upland in the late holocene» // Tomsk State University Journal of Biology 2015. №2 (30) C.146-164
