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Author/Creator
- SpringerLink (Online service)1,369
- Humboldt, Alexander von, 1769-185917
- Geological Survey (U.S.)16
- ebrary, Inc10
- Project Muse6
- Sansò, Fernando6
- Saxena, Surendra K.6
- Diaz, Henry F.5
- Gregory, Herbert E. (Herbert Ernest), 1869-19525
- Hutter, Kolumban5
- Universitatea "Babeș-Bolyai"5
- Atwood, Wallace Walter, 1872-19494
- Bailey, Robert G., 1939-4
- Bockheim, James G.4
- Brainard, Lael4
- Cotton, C. A. (Charles Andrew), 1885-19704
- Donnellan, Andrea4
- Förstner, Ulrich4
- Gannett, Samuel S. (Samuel Stinson), 1861-19394
- Klare, Gerhard4