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- V. A. Alekseev, V. V. Kopeikin, N. G. Alekseeva, L. Pelekhan: Georadar and Hydrogen Studies of the Tunguska Meteorite Craters // Protecting the Earth against Collisions with Asteroids and Comet Nuclei, In: A. M. Finkelstein, W. F. Huebner, V. A. Shor (Eds) Proceedings of the International Conference “Asteroid-Comet Hazard-2009”, StP: Nauka, 233–236 (2010)