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