Introduction :
Guichen, Gaël de.
Introduction : Are we mature enough to be self-critical?. - Paris-FR : Unesco, 1989. - p. 139-140 - Trimestral - Vol. XLI, no. 163-3 (1989) - Museum ; no. 163-3 . - Francia. Unesco. .
Museum at forty. Then and now: Great pioneer museums four decades later.
Introduction : Are we mature enough to be self-critical?. - Paris-FR : Unesco, 1989. - p. 139-140 - Trimestral - Vol. XLI, no. 163-3 (1989) - Museum ; no. 163-3 . - Francia. Unesco. .
Museum at forty. Then and now: Great pioneer museums four decades later.