1. Kumlehn de Mamani,M. (2018). Mini-Black Hole – a meteorite?
  2. Monika Kumlehn de Mamani & Ingrid Grambow (2018). IMPAKTNAMEN: Namen der [Meteorite; Impakte/Krater; Boliden/Fireballs; Tektite] im Sonnensystem.
Hypothetical: may be hitting the Earth once every 1000 years.



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