@inproceedings{Maturity2015,
	author = "Vadim Zaytsev",
	title = "{Grammar Maturity Model}",
	booktitle = "{Post-proceedings of the Ninth Workshop on Models and Evolution (ME'14)}",
	year = 2015,
	editor = "Alfonso Pierantonio and Bernhard Sch{\"a}tz and Dalila Tamzalit",
	volume = "1331",
	series = "CEUR Workshop Proceedings",
	pages = "42--51",
	month = feb,
	publisher = "CEUR-WS.org",
	url = "http://ceur-ws.org/Vol-1331/p5.pdf",
}