Extension of the museum concept. Elargissement de la notion de musée (fre) Info Type: Publication ISBN: 90-9004284-9. Meeting: ICOM. General Conference, 15th, The Hague, The Netherlands, 1989 Place, publisher, year: The Hague : The ICOM '89 Foundation, 1991 Collation: p. 40-48 Author: Postman, Neil Year: 1991. Serial type: Book - Monograph - Document Description: museum concept; museum philosophy; museum profession.