00311nam a2200097u  450000500170000000800410001704100080005824500730006626000570013970000170019620260501142804.0930903s1986    xx |||| |     000|0 fre c  afre00aLa conservation du patrimoine culturel : une course contre le temps/  aMarina del Rey :bGetty conservation institutec19861 aWard, Philip