TY  - BOOK
AU  - Dorian, Nancy C.
ED  - University of Cambridge
TI  - Investigating obsolescence: Studies in language contraction and death 
SN  - 0-521-32405-x
AV  - P40.5L33 I58
PY  - 1989///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Obsolescencia del lenguaje
ER  -