The origin of language : tracing the evolution of the mother tongue

Ruhlen, Merritt.. The origin of language : tracing the evolution of the mother tongue / . - New York ; Chichester ; Brisbane : John Wiley & Sons., Inc., 1994 . - xi, 239 p. : ill., map., tab. 24 cm.
К.: Бібліогр. : с. 216-224.
0-471-58426-6