Stephen N. Zilles, P. Lucas, T. M. Linden, Jeffrey B. Lotspiech, A. R. Harbury. The escher document imaging model. In Ann Solem, editor, Proceedings of the ACM conference on Document processing systems, DOCPROCS 1988, Santa Fe, New Mexico, USA, December 5-8, 1988. pages 159-168, ACM, 1988. [doi]
Abstract is missing.