@article {245,
	title = {Normal Forms for Spiking Neural P Systems},
	journal = {Fourth Brainstorming Week on Membrane Computing },
	volume = {II},
	year = {2006},
	month = {01/30/06-02/3/06},
	pages = {105-135},
	publisher = {F{\'e}nix Editora},
	address = {Sevilla, Espa{\~n}a},
	isbn = {84-611-0519-2},
	author = {Oscar Ibarra and Gheorghe Paun and Alfonso Rodr{\'\i}guez-Pat{\'o}n and Petr Sosik and Sara Woodworth}
}
