IEICE Transactions, Volume 92-D

Volume 92-D, Number 1, January 2009

Regular Section

Volume 92-D, Number 2, February 2009

Special Section on Foundations of Computer Science Regular Section

Volume 92-D, Number 3, March 2009

Regular Section

Volume 92-D, Number 4, April 2009

Regular Section

Volume 92-D, Number 5, May 2009

Special Section on Information and Communication System Security Special Section on Formal Approach Regular Section