1. 1. Novgorodova, M. I. (1983). Native metals in hydrothermal ores. Moskow: Nauka (in Russian).
2. New natural Intermetallic compounds of iron and chromium - chromferide and ferchromide.;Novgorodova;Zap Vsesoyuz Mineralog Obva,1986
3. Impact meteorite crater El'gygytgyn in Chukotka.;Gurov;Dokl AN SSSR,1978
4. 4. Gurov, E. P. & Gurova, E. P. (1991). Geological structure and rock composition of impact structures. Kiev: Naukova Dumka (in Russian).
5. Shocked rocks and impact glasses from the El'gygytgyn impact structure, Russia;Gurov;Meteorit Planet Sci,2004