For citations:

Fedotova A.A., Loskutova M.V., Vinarski M.V. Alexander Fedorovich Middendorf. To the bicentenary of the birth N. G. Sukhova, E. Tammiksaar 2^nd edition, revised and expanded. St. Petersburg: Nestor-Istoriya, 2015. 380 p. Proceedings of the Russian Geographical Society. 2016;148(5):90-96. (In Russ.)