Ink duty reduction for cluster dot halftoning. - Andrei Pascovici; Chia-Hsin Li; Joseph Shu; Dennis L. Chao (Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts, 1997)

Multiple Layer Screening for Reducing Moir-Patterning and Ink Bleeding. - Joseph Shu; Jamie Li; Andrei Pascovici (ICIP (1), 1997)