@conference { Whi.Mor.Ara.models07,
	title = {An Expressive Aspect Composition Language for UML State Diagrams},
	booktitle = {ACM/IEEE MoDELS 2007},
	series = {Lecture Notes in Computer Science},
	year = {2007},
	note = {<p>n/a</p>
},
	pages = {514-528},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	abstract = {<p>n/a</p>
},
	author = {J. Whittle, and A. Moreira and J. Ara{\'u}jo,}
}
