<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ghosh, Debashree</style></author><author><style face="normal" font="default" size="100%">Hachmann, Johannes</style></author><author><style face="normal" font="default" size="100%">Yanai, Takeshi</style></author><author><style face="normal" font="default" size="100%">Chan, Garnet Kin-Lic</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Orbital optimization in the density matrix renormalization group, with applications to polyenes and ss-carotene</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Chemical Physics</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">APR</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">128</style></volume><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">14</style></issue><custom3><style face="normal" font="default" size="100%">Foreign</style></custom3><custom4><style face="normal" font="default" size="100%">2.894</style></custom4></record></records></xml>