“callnum:SPA and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and su-to:Arquitectura popular and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and branch:BS and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) ” devolvió 2 resultados.