Villanueva Svensson, Miguel. “The Origin of the Type Lith. bliáuti, bliáuja, Latv. bļaût, bļaûju in a Balto-Slavic Perspective”. Baltistica, vol. 46, no. 2, Dec. 2011, pp. 201–223, https://doi.org/10.15388/Baltistica.46.2.1384.