TY  - BOOK
AU  - Wurm,Stephen A.
AU  - Heyward,Ian
ED  - Unesco
TI  - Atlas of the world's languages in danger of disappearing
SN  - 92-3-103798-6
PY  - 2001///
CY  - [Paris]
PB  - Unesco
KW  - Lengua
ER  -