1. Spectral analysis of peat samples from the Tunguska meteorite fall area;Alekseyeya,1976
2. The nuclear and aerial dynamics of the Tunguska event;d'Allessio;Planet. Space Sci.,1989
3. New data on falling of a large meteorite on June 30 1908;Astapovich;Priroda,1933
4. New studies of the fall of the great meteorite on June 30 1908;Astapovich;Priroda,1935
5. The Grand Tunguska meteorite;Astapovich;Priroda,1951