Protofonologia de las lenguas indoeuropeas
Xaverio Ballester, Protofonologia de las lenguas indoeuropeas, "Moenia" 5, 1999, pp. 173-187. https://web.archive.org/web/20241025213053/http://www.continuitas.org/texts/ballester_protofonologia.pdf
Xaverio Ballester
1999
The Paleolithic Continuity Paradigm - Парадигма палеолитског континуитета