TY  - BOOK
AU  - Harrison,K.David
TI  - When languages die: the extinction of the world's languages and the erosion of human knowledge 
SN  - 9780195372069
PY  - 2007///
CY  - Oxford
PB  - Oxford University Press
KW  - Language obsolescence
N1  - Includes bibliographical references (p. 263-283) and index
ER  -