TY  - SER
AU  - Hiroki Takakura.
TI  - Bulletin of the National Museum of Ethnology ; 
T2  - Bulletin of the National Museum of Ethnology ; 
PY  - 2004///
CY  - Osaka-JA  : 
PB  - National Museum of Ethnology, 
N1  - Northern Minority Languages. Problems of Survival
ER  -