The Ingelheim international days : initiative of a major company. Info Type: Publication ISSN: 0939-3927. Place, publisher, year: Pulheim : Rheinland Verlag [for] ICOM International Committee for Marketing and Public Relations, 1990 Collation: p. 15-16 Author: Lachenal, François. Year: 1990. Serial type: Article from Periodical Description: campaigns; museum days; Germany FR.