<?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%">Fernando Sancho-Caparrini</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Verifying a P system generating squares</style></title><secondary-title><style face="normal" font="default" size="100%">Romanian Journal of Information Science and Technology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Formal Verification</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">Natural computing</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2002</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/resumen-cuadrados.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">EDITURA ACADEMIEI ROMÂNE</style></publisher><pub-location><style face="normal" font="default" size="100%">Bucureşti, România</style></pub-location><volume><style face="normal" font="default" size="100%">5</style></volume><pages><style face="normal" font="default" size="100%">181-191</style></pages><issue><style face="normal" font="default" size="100%">1-2</style></issue></record></records></xml>