V. A. Shirokova, V. A. Snytko, V. A. Nizovtsev, N. L. Frolova, N. G. Dmitruk, V. M. Chesnov, N. A. Ozerova, R. S. Shirokov. Tikhvin Water System: retrospective and present day. Hydrological and ecological condition and landscape changes in the waterway area. M.: OOO «Akkolit», 2013. 376 p.

For citations:

Martynov V.L. V. A. Shirokova, V. A. Snytko, V. A. Nizovtsev, N. L. Frolova, N. G. Dmitruk, V. M. Chesnov, N. A. Ozerova, R. S. Shirokov. Tikhvin Water System: retrospective and present day. Hydrological and ecological condition and landscape changes in the waterway area. M.: OOO «Akkolit», 2013. 376 p. Proceedings of the Russian Geographical Society. 2014;146(1):86-88. (In Russ.)