Kamal Alm, H., G. Ström, J. Schoelkopf, C. Ridgway, and P. A. Gane. “Ink Adhesion Failure During Full Scale Offset Printing: Causes and Impact on Print Mottle”. Journal of Print and Media Technology Research, vol. 4, no. 4, Oct. 2023, pp. 257-78, http://jpmtr.net/index.php/journal/article/view/147.