Pfaffl, F. (2010). Alfred E. Bergeat (1866 - 1924): A distinguished volcanologist and ore deposit researching scientist at the mining academies of Freiberg (Saxony) and Clausthal (Harz mountain) in Germany. International journal of earth sciences.
Chicago Style CitationPfaffl, Fritz. "Alfred E. Bergeat (1866 - 1924): A Distinguished Volcanologist and Ore Deposit Researching Scientist At the Mining Academies of Freiberg (Saxony) and Clausthal (Harz Mountain) in Germany." International Journal of Earth Sciences 2010.
MLA CitationPfaffl, Fritz. "Alfred E. Bergeat (1866 - 1924): A Distinguished Volcanologist and Ore Deposit Researching Scientist At the Mining Academies of Freiberg (Saxony) and Clausthal (Harz Mountain) in Germany." International Journal of Earth Sciences 2010.