عرض عادي
عرض مارك
Hollnagel, Erik, 1941- (Personal Name)
Machine generated authority record.
Work cat.: (OSt)0: Hollnagel, Erik, 1941- author., Safety-II in practice :
Machine generated authority record.
Work cat.: (OSt)0: Hollnagel, Erik, 1941- author., Safety-II in practice :
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