Quentin Limbourg Costin Pribeanu Jean Vanderdonckt Towards Uniformed Task Models in a Model-Based Approach. 164-182 2001 conf/dsvis/2001 DSV-IS http://link.springer.de/link/service/series/0558/bibs/2220/22200164.htm db/conf/dsvis/dsvis2001.html#LimbourgPV01