History of the earth ; an introduction to historical geology
Kummel, Bernhard.
History of the earth ; an introduction to historical geology - San Francisco : Feeman, 1961 - 610 p. : ilus.
29672
Geología estratigráfica.
551.7 / K8
History of the earth ; an introduction to historical geology - San Francisco : Feeman, 1961 - 610 p. : ilus.
29672
Geología estratigráfica.
551.7 / K8
