Guy, Jacques B. M.Halim, AmranCarrington, LoisWurm, S. A.2021-12-012021-12-01858832712PL-C74.283http://hdl.handle.net/1885/253275application/pdf© 1982 Jacques B. M. Guyhttp://creativecommons.org/licenses/by-sa/4.0Bases for new methods in glottochronology198210.15144/PL-C74.283 2021-12-01Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)