El problema de los dialectos dóricos y noroccidentales

In this paper the authors point out that the Doric dialects as well as the Northwest ones arose as such dialects at a relatively late date. According to the authors, every linguistic feature that could be considered an innovation of the above mentioned dialectal groups is either chronologically recent or is shared by other dialectal groups as well. Taking into account this evidence, they believe that in the second millennium B. C. there would not be a great difference between Proto-Doric or Proto-Northwest Greek (both of them being a unit) and Proto-Greek