Julius Kaljuvee, Ivan Reinwald, and Estonian pioneering ideas on meteorite impacts and cosmic neocatastrophism in the early 20th centuryRacki, Grzegorz; Viik, Tõnu; Puura, VäinoBSGF - Earth Sciences Bulletin2018 / art. 11, 20 p. : ill., phothttps://doi.org/10.1051/bsgf/2018011