“( ( (cdu,rtrn="902") ) OR ( (cdu,rtrn="903") ) OR ( (cdu,rtrn="904") ) ) NOT (( (cdu,rtrn="902") AND (cdu,rltrn="(46") ) OR ( (cdu,rtrn="903") AND (cdu,rltrn="(46") ) OR ( (cdu,rtrn="904") AND (cdu,rltrn="(46") ) ) and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and se:Alianza Universidad and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) ” devolvió 2 resultados.