Issue 06 Editorial and Imprint Media Transformation in Germany: A Comprehensive Overview Alexander W. Roos [Reviews] Which Color Differencing Equation Should Be Used? Martin Habekost [Science & Technology] Inkjet Printability of Newsprint: Effects of Starch-based Coatings Behudin (Beko) Mesic, James H. Johnston [Science & Technology] Determination of the Deviations and Variations Tolerances of the Process-Colour Solids from the OK Print in Offset Iskren Spiridonov [Science & Technology] Image Compression and Face Recognition: Two Image Processing Applications of Principal Component Analysis Ales Hladnik [Science & Technology] Meeting the Quality Requirements in the Flexographic Plate Making Process Sanja Mahovic Poljacek, Tomislav Cigula, Tamara Tomasegovic, Olivera Brajnovic [Science & Technology] Properties of Printer Calibration Targets Davor Donevski, Diana Milcic, Jakov Borkovic [Science & Technology] Where should ‘Print Production Technology’ take place under the International Standard Classification of Education? Efe N. Gencoglu [Forum]