1. Moilanen J. (2009). Impact Structures of the World.
2. Hietala S., Jokinen Ja., Lerssi J. et al. (2023). Summanen structure: Further geological and geophysical evidence of a meteorite impact event in Central Finland // Meteoritics and Planetary Science. – Vol. 58, No. 7. – P. 1002-1017.

Спутниковая фотография кратера из Google Earth.

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