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Sitzb KAW . Die ortographische Parallelperspective page including the beginning of the following article Uebersicht der Krystallgestalten des rhomboedrischen KalkHaloids by Professor Dr Zippe Die ortographische Parallelperspective strana vetn zatku nsledujcho lnku Uebersicht der Krystallgestalten des rhomboedrischen KalkHaloids