For citations:
Panin A.V., Sidorchuk A.Y., Baslerov S.V., Borisova O.K., Kovalyukh N.N., Sheremetskaya E.D. The main stages of river valley development during Late Valdai and Holocene (the middle Seim river basin as an example). Geomorfologiya. 2001;(2):19-34. (In Russ.)