“callnum:GLG and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and su-to:Movimiento obrero and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) ” devolvió 3 resultados.