TY - BOOK AU - Plum,Werner TI - World exhibitions in the nineteenth century, pageants of social and cultural change U1 - 301.243 PY - 1977/// CY - Bonn-Bad Godesberg PB - Friedrich-Ebert-Stiftung KW - Trade shows KW - Technology KW - Social aspects N1 - Translation of Weltausstellungen im 19. Jahrhundert ER -