<?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%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Miquel Rius-Font</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Seeking sharper frontiers of efficiency in tissue P systems</style></title><secondary-title><style face="normal" font="default" size="100%">International Journal of Foundations of Computer Science</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.worldscientific.com/doi/abs/10.1142/S0129054113500202</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%">24</style></volume><pages><style face="normal" font="default" size="100%">577-579</style></pages><issue><style face="normal" font="default" size="100%">5</style></issue><custom1><style face="normal" font="default" size="100%">0.420</style></custom1><custom2><style face="normal" font="default" size="100%">83/100 - Q4</style></custom2></record></records></xml>