segun las observaciones de los Srs. G. Steinmann, C. Lissón, R. Stappenbeck y otros ; bosquejado por G. Steinmann y C. Lassón = Geologische karte der Kordillere von Perú / nach den Beobachtungen von G. Steinmann, C. Lissón, R. Stappenbeck und anderen ; entworfen von G. Steinmann und C. Lissón. In Spanish and German.
Creator:
Steinmann, G. (Gustav), 1856-1929 and Lissón, Carlos I. (Carlos Ismael), 1868-1947
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