“Also during the 1990s, William (Bill) Nordstrom started to experiment with a carbon process called Agfa-Proof, a four-color proprietary prepress color proofing system. He founded the EverColor Corporation in El Dorado Hills, California, in ...
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Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 96.
