ංරක්ෂිත පිටපත. සම්ප්‍රවේශය 26 June 2007.↑ Kolesnikov et al. "Finding of probable Tunguska Cosmic Body material: isotopic anomalies of carbon and hydrogen in peat", Planetary and Space Science, Volume 47, Issues 6–7, 1 June 1999, pp. 905–916.↑ Kolesnikov et al. "Finding of probable Tunguska Cosmic Body material: isotopic anomalies of carbon and hydrogen in peat", Planetary and Space Science, Volume 47, Issues 6–7, 1 June 1999, pp. 905–916.↑ Hou et al. "Discovery of iridium and other element anomalies near the 1908 Tunguska explosion site", Planetary and Space Science, Volume 46, Issues 2–3, February–March 1998, pp. 179–188.↑ Kolesnikov et al. "Isotopic anomaly in peat nitrogen is a probable trace of acid rains caused by 1908 Tunguska bolide", Planetary and Space Science, Volume 46, Issues 2–3, February–March 1998, pp. 163–167.↑ Longo, Giuseppe (2007). "18: The Tunguska event" (PDF). In Bobrowsky, Peter T.; Rickman, Hans (eds.). Comet/Asteroid Impacts and Human Society, An Inte