Japan (English):

See also articles on OECD countries in section 2 of this list.

Structural Change in Time Series of the Exchange Rates between Yen-Dollar and Yen-Euro in 2001-2004.

OBARA, T. IJAEQS-2004

Langevin equation in econometric modelling of the  Korean and Japanese currency  fluctuacions.

OBARA, Takashi. AEID 2003.