The Imperfect Image: Photographs their Past, Present and Future. - Flukinger, Roy; Warren, Mame; Gray, Michael; Clarke, Bryan; Wilton, Glynn; Nousala, Susu; Hamber, Anthony; Berry, James; Burnett, Nicholas; Cartier-Bresson, Anne; Davison, Sandra et al. (The Centre for Photographic Conservation,, 1992)