http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31395152flutes without duct http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31395152 flutes BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31395152 vertical flutes NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31395152 transverse flutes NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31395152 vessel flutes NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31395152 duct, flutes without UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31395152 flute without duct UF