TY  - BOOK
AU  - Aitchison,Jean
TI  - Language change:  : progress or decay?
SN  - 978-1-107-67892-7
AV  - P142.A37 
PY  - 2013///	
CY  - Cambridge
PB  - : Cambridge University Press
KW  - Linguistics change
N1  - Includes bibliographical references and index
ER  -