found: Unternehmenserwerb, 1990:title page (Dr. Walter Brugger, Rechtsanwalt)
found: German Wikipedia, viewed August 18, 2023(Walter Brugger; born February 20, 1954, in Vienna; jurist and author)
found: Deutsche Nationalbibliothek online catalog, viewed August 18, 2023(authorized access point: Brugger, Walter; other data in authority record: Hon.-Prof. Dr.; Austrian jurist; born 1954 in Vienna)
notfound: Kürsch. Gel.-Kal., 1980-87;Wer ist wer, 1979-1991/92;WW Ger., 1980;Vademecum, 1988-89;WW in Österr., 1984