Research on remains largely unfinished despite numerous attempts to develop the subject.François Lassus and Gérard Taverdet, Place names of Franche-Comté, introduction to their toponymy, Bonneton, 1995, p. 153: the authors highlighted, on the subject of the root *alisa, that the discussion is lively among linguists.Xavier Delamarre, Dictionary of the Gallic language: a linguistic approach to continental old-Celtic, Paris, Errance, 2003, p. 39.
