@article {DemeyerESUG2009,
	title = {Guest Editor Introduction},
	journal = {Computer Languages, Systems and Structures},
	volume = {35},
	number = {1},
	year = {2009},
	note = {[SCI impact factor 0,421, ranked 78/86]},
	month = {apr},
	pages = {1},
	publisher = {Elsevier},
	doi = {http://dx.doi.org/10.1016/j.cl.2008.05.003},
	author = {Serge Demeyer and Jean-Fran{\c c}ois Perrot}
}
