1. Xiang, Y.; Bousfield, D. W.; Coleman, P. S.; Osgood, A.The Cause of Backtrap Mottle: Chemical or Physical?Proceedings of the TAPPI Coating Conference, Atlanta, GA, 2000; pp45–58.
2. Kim-Habermehl, L.; Pollock, M.; Wittbrodt, E.; Roper, J.; McCoy, J.; Stolarz, J.; Langolf, B.; Rolf, M.Characterization of Coated Paper Surface Morphology and Its Correlation to Print Mottle.Proceedings of the Pan-Pacific and International Printing and Graphic Arts Conference, Québec City, Canada, 1998; pp71–76.