@article {48,
	title = {Spiking neural P systems: An early survey},
	journal = {International Journal of Foundations of Computer Science},
	volume = {18},
	year = {2007},
	pages = {435-455},
	publisher = {World Scientific},
	address = {London, U.K.},
	keywords = {68Q10 (AMSC), 68Q42 (AMSC), 68Q45 (AMSC), chomsky hierarchy, Membrane computing, normal form, P system, register machine, semilinear set, spiking neuron},
	issn = {0129-0541},
	doi = {10.1142/S0129054107004772},
	url = {http://www.worldscinet.com/cgi-bin/details.cgi?id=voliss:ijfcs_1803\&type=toc},
	author = {Gheorghe Paun and Mario J. P{\'e}rez-Jim{\'e}nez and Arto Salomaa}
}
