@inproceedings { 257,
	title = {Modeling and Analyzing Variability for Mobile Information Systems.},
	journal = {International Conference on Computational Science and Its Applications (ICCSA 2008)},
	year = {2008},
	month = {30/06/2008},
	publisher = {Springer},
	organization = {Springer},
	address = {Perugia, Italy},
	author = {Ali, R. and Dalpiaz, F. and Giorgini, P.}
}