<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Arto Salomaa</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Spiking neural P systems: An early survey</style></title><secondary-title><style face="normal" font="default" size="100%">International Journal of Foundations of Computer Science</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">68Q10 (AMSC)</style></keyword><keyword><style  face="normal" font="default" size="100%">68Q42 (AMSC)</style></keyword><keyword><style  face="normal" font="default" size="100%">68Q45 (AMSC)</style></keyword><keyword><style  face="normal" font="default" size="100%">chomsky hierarchy</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">normal form</style></keyword><keyword><style  face="normal" font="default" size="100%">P system</style></keyword><keyword><style  face="normal" font="default" size="100%">register machine</style></keyword><keyword><style  face="normal" font="default" size="100%">semilinear set</style></keyword><keyword><style  face="normal" font="default" size="100%">spiking neuron</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.worldscinet.com/cgi-bin/details.cgi?id=voliss:ijfcs_1803&type=toc</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">World Scientific</style></publisher><pub-location><style face="normal" font="default" size="100%">London, U.K.</style></pub-location><volume><style face="normal" font="default" size="100%">18</style></volume><pages><style face="normal" font="default" size="100%">435-455</style></pages><issue><style face="normal" font="default" size="100%">3</style></issue></record></records></xml>