Apostolos Syropoulos, Karl Berry, Yannis Haralambous, Baden Hughes, Steven Peter, John Plaice: TeX, XML, and Digital Typography, International Conference on TeX, XML, and Digital Typography, Held Jointly with the 25th Annual Meeting of the TeX Users Group, TUG 2004, Xanthi, Greece, August 30 - September 3, 2004, Proceedings. Lecture Notes in Computer Science 3130, Springer 2004, ISBN 3-540-22801-2