612 



Rom. Societa geologica Italiana. Bollettino 31, 1912, 3 — 4; 

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— Ufficio geologico. Memorie descrittive della Carta geologica 

 d'ltalia 0. 



— Internationales Landwirtschaftliches Institut. Internatio- 

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Rostock. GroBherz. Mecklenburg. Geolog. Landesanstalt. Mit- 



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St. Etienne. Societe de l'industrie minerale. Bulletin (5), 



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St. Gallen. Naturwissenschaftliche Gesellschaft. Jahrbuch 

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St. Louis. Academy of science. Transactions XIX, 11; XX, 



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 St. Petersburg. Academie Imperiale des sciences. Bulletin 



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— Russische Kaiserliche Mineralogische Gesellschaft. Ver- 

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— Societe Imper. des naturalistes. Comptes rendus 0. 



— Comite geologique. Memoires, N. Ser. 62, 1,2; 72, 74, 

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— Cabinet geologique de Sa Majeste. Trayaux 0. 



— Musee Geologique Pierre le Grand pres l'Academie 

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— Exploration geologiques dans les regions auriferes de la 

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Sao Paulo. Sociedade Scientifique. Revista 0. 

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Springfield, Illinois. Geological Survey of Illinois State, 

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— State Museum of Natural History. Report 1912; Geology 

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Stockholm. Konigl. Svenska Vetenskaps Akademiens Handlingar 

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