"Abraham Gottlob Werner und seine Zeit"/"Abraham Gottlob Werner and his times" - Internationales Symposium, vom 19. bis 24. September 1999 in Freiberg (Sachsen), BRD; Programm, Technische Universität Bergsakademie Freiberg; Freiberg University of Mining and Technology International Commission on the History of Geological Sciences (INHIGEO); Umschlag vorn: Abbildung von Abraham Gottlob Werner, Umschlag hinten: Anfahrtswege nach Freiberger; S. 24
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