Media type: E-Article Title: Petchenik, Barbara B(artz) [Barbara Petchenik] Contributor: Morrison, Joel L. [VerfasserIn] imprint: 2015 Published in: The history of cartography [Elektronische Ressource] ; Vol. 6, Pt. 2: Cartography in the twentieth century ; (2015h.1095) Language: English ISBN: 9780226534718; 9780226152127 Origination: Footnote: Engl Access State: Open Access