Daniela Nicklas Matthias Großmann Thomas Schwarz Steffen Volz Bernhard Mitschang A Model-Based, Open Architecture for Mobile, Spatially Aware Applications. 117-135 2001 conf/ssd/2001 SSTD http://link.springer.de/link/service/series/0558/bibs/2121/21210117.htm db/conf/ssd/sstd2001.html#NicklasGSVM01