@inproceedings{DLT-2010-PorrecaLZ,
	author        = "Antonio E. Porreca and Alberto Leporati and Claudio Zandron",
	booktitle     = "{Proceedings of the 14th International Conference on Developments in Language Theory}",
	doi           = "10.1007/978-3-642-14455-4_33",
	isbn          = "978-3-642-14454-7",
	pages         = "364--375",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{On a Powerful Class of Non-universal P Systems with Active Membranes}",
	volume        = 6224,
	year          = 2010,
}