@article {,
	title = {On String Languages Generated by Spiking Neural P systems },
	journal = {Fourth Brainstorming Week on Membrane Computing },
	volume = {I},
	year = {2006},
	month = {01/30/07-2/3/07},
	pages = {169-193},
	publisher = {F{\'e}nix Editora},
	address = {Sevilla, Espa{\~n}a},
	isbn = {84-611-0520-6},
	author = {Haiming Chen and Rudolf Freund and Mihai Ionescu and Gheorghe Paun and Mario J. P{\'e}rez-Jim{\'e}nez}
}
