“callnum:MUL and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and au=Encontros de Literatura Infantil and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) and ( ( lost,AlwaysMatches='' or lost,st-numeric=0)) ” devolvió 2 resultados.