W Brog

THE DEVELOPMENT OF A STANDARDISED SURVEY METHOD OF LARGE SCALE APPLICATIONS IN DIFFERENT EUROPEAN COUNTRIES

H Katteler, Gerd Sammer, W Brog, 1983 .

VANDALISM IN URBAN PUBLIC TRANSPORTATION

W Brog, M Voltenauer-Lagemann, 1988 .

Marketing in public transport is an investment, not a cost

W Brog, W. Brog, M Schadler, 1998 .