A corded-mixed Bell Beaker vase at the monumental enclosure of Forca, Maia, north of Portugal - Bettencourt, Ana Maria, 1946- (Current researches on bell beakers : proceedings of 15th International Bell Beaker : From Atlantic to Ural, 5th-9th May 2011, Poio (Pontevedra, Galicia, Spain)., 2013)