C. Marshall, and S. Bly. JCDL '04: Proceedings of the 4th ACM/IEEE-CS joint conference on Digital libraries, page 218--227. New York, NY, USA, ACM Press, (2004)
C. Marshall, and S. Bly. JCDL '04: Proceedings of the 4th ACM/IEEE-CS joint conference on Digital libraries, page 218--227. New York, NY, USA, ACM Press, (2004)