Sourcebook for earth sciences and astronomy - Utgard, Russell O.; Ladd, George T. 1941-; Andersen, Hans O. (Macmillan, 1972)
Keywords: Astronomie; Géologie historique; Météorologie; Océanographie; Sciences - Étude et enseignement; Sciences de la Terre; Astronomy -- Study and teaching (Secondary); Earth sciences -- Study and teaching (Secondary); Geowissenschaften