Media type: Article Title: Dr.-Ing. E.h. Johann M. Lorenzen : [gest.] Contributor: Vogel, G. [Author] imprint: 1973 Published in: Bauingenieur ; 48(1973), 2, Seite 67 Language: German ISSN: 0005-6650 Keywords: Lorenzen, Johann M. Origination: Footnote: