The Quantitative Aspects of Color Quality Rendering for Memory Colors. - Karin Töpfer; Robert Cookingham (PICS, 2000)

Preference in Image Quality Modeling. - Karin Töpfer; Brian W. Keelan; Scott O'Dell; Robert Cookingham (PICS, 2002)

Update on the INCITS W1.1 Standard for Evaluating the Color Rendition of Printing Systems. - Robert Cookingham; Susan P. Farnand; Karin Töpfer; Edul Dala; William Kress; Oscar Martinez; Eric Zeise (PICS, 2003)