Oetker, B., & Schafhausen, N. Was wissen wir? Was haben wir? Was fehlt uns? Was lieben wir?Berlin: Sternberg Press.
ISBD CitationWas wissen wir? Was haben wir? Was fehlt uns? Was lieben wir? / Herausgeber/innen Brigitte Oetker, Nicolaus Schafhausen . — Berlin : Sternberg Press. — 240 Seiten; Illustrationen, Diagramme, 1 Karte. — (Jahresring ; 65). — ISBN 9783956794438, 3956794435
MLA CitationOetker, Brigitte, and Nicolaus Schafhausen. Was Wissen Wir? Was Haben Wir? Was Fehlt Uns? Was Lieben Wir?Berlin: Sternberg Press.
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