Ursus, N. R., & Launert, D. (2007). Nicholaus Reimers Ursus. Nova Kepleriana N.F., 9.
Chicago Style CitationUrsus, Nicolaus Reimarus, and Dieter Launert. "Nicholaus Reimers Ursus." Nova Kepleriana N.F., 9 2007.
Deismireacht MLAUrsus, Nicolaus Reimarus, and Dieter Launert. "Nicholaus Reimers Ursus." Nova Kepleriana N.F., 9 2007.
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