Darkness and light : the proceedings of the Oslo Symposium 25.-28. August 1994 / National Institute for Historical Photography and Norwegian Society for the History of Photography in assosiation with European Society for the History of Photography ; edited by Roger Erlandsen and Vergard S. Halvorsen. - Drammen : National Institute for Historical Photography ; Norwegian Society for the History of Photography, 1995. - 160 s. : kuv. ; 21 cm
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