Schriftenverzeichnis
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- Bancroft , H. 1933 . A Contribution to the Geological History of the Dipterocarpaceae . Geol. För. Stockholm Förh , 55 1933
- Bradley , W. H. 1928 . Zeolite Beds in the Green River Formation . Science , 67 1928
- Bradley , W. H. 1929 . The occurrence and origin of analcite and meerschaum beds in the Green River formation of Utah, Colorado, and Wyoming . U. S. Geol. Surv. Prof. Pap , 158 A 1929
- Chiarugi , A. 1933 . Legni fossili della Somalia Italiana . Palaeont. Ital , 32 Suppl. 1, 1933
- Ödman , O. H. 1930 . Volcanic rocks of Mount Elgon in British East Africa . Geol. För. Stockholm Förh , 52 1930
- Udluft , H. 1926 . Zeolithe als Fossilisationsmaterial . Ark. f. Kemi, Min. Geol , 9 ( No. 33 ) 1926
- Wayland , E. J. 1928 . Uganda Protectorate . An. Rep. Geol. Surv. Dept. Uganda f , 1927 1928