Anyone has "Encyclopedia of Printing, Photographic, and Photomechanical Processes" by Nadeau? I wish to know the meaning of some acronyms he used for his quotes, in particular GCPP, CTP, NPPP4, WPFF, CPTP 415. Alberto www.facebook.com/alberto.novo.1 www.grupponamias.com www.alternativephotography.com/wp/photographers/rodolfo-namias-group