@INPROCEEDINGS { AUTHOR = "Johan Fabry and Arturo Zambrano and Silvia Gordillo", TITLE = "Expressing Aspectual Interactions in Design: Experiences in the Slot Machine Domain", EDITOR = "Jon Whittle and Tony Clark and Thomas K{\"u}hne", BOOKTITLE = "14th ACM/IEEE International Conference on Model Driven Engineering Languages and Systems (MODELS)", PAGES = "93-107", MONTH = "Oct", YEAR = "2011", ADDRESS = "Wellington, New Zealand", PUBLISHER = "Springer-Verlag", SERIES ="LNCS", NUMBER = "6981", ISBN = "978-3-642-24484-1", }