<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">JJ Alferes</style></author><author><style face="normal" font="default" size="100%">LM Pereira</style></author><author><style face="normal" font="default" size="100%">H Przymusinska</style></author><author><style face="normal" font="default" size="100%">TC Przymusinski</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">M Gelfond</style></author><author><style face="normal" font="default" size="100%">N Leone</style></author><author><style face="normal" font="default" size="100%">G Pfeifer</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">LUPS - A language for updating logic programs</style></title><secondary-title><style face="normal" font="default" size="100%">LOGIC PROGRAMMING AND NONMONOTONIC REASONING</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">LECTURE NOTES IN ARTIFICIAL INTELLIGENCE</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">1999</style></year></dates><publisher><style face="normal" font="default" size="100%">SPRINGER-VERLAG BERLIN</style></publisher><pages><style face="normal" font="default" size="100%">162–176</style></pages><isbn><style face="normal" font="default" size="100%">3-540-66749-0</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">n/a</style></abstract><notes><style face="normal" font="default" size="100%">n/a</style></notes></record></records></xml>