@booklet {vl-hccposter11,
	title = {HaExcel: A model-based Spreasheet evolution system},
	year = {2011},
	month = {{September}},
	publisher = {HASLab/INESC TEC \& University of Minho},
	attachments = {https://haslab.uminho.pt/sites/default/files/jacome/files/poster.vlhcc11.png},
	author = {J{\'a}come Cunha and Jo{\~a}o Paulo Fernandes and Jorge Mendes and Jo{\~a}o Alexandre Saraiva}
}