db/journals/dpd/AndreoliP99.html Jean-Marc Andreoli François Pacull Distributed Print on Demand Systems in the Xpect Framework. 179-198 1999 7 Distributed and Parallel Databases 2 db/journals/dpd/dpd7.html#AndreoliP99 http://kapis.www.wkap.nl/oasis.htm/202452 DPD/7/P179.pdf