@inproceedings{VisserModularity14,
	author          = {Eelco Visser},
	title           = {Separation of concerns in language definition},
	booktitle       = {13th International Conference on Modularity, MODULARITY '14, Lugano, Switzerland, April 22-26, 2014},
	publisher       = {ACM},
	year            = {2014},
	editor          = {Walter Binder and Erik Ernst and Achille Peternier and Robert Hirschfeld},
	pages           = {1-2},
	isbn            = {978-1-4503-2772-5},
	url             = {http://researchr.org/publication/VisserModularity14},
	group           = {SE}
}