Nabeel A. Murshed Flávio Bortolozzi Advances in Document Image Analysis, First Brazilian Symposium, BSDIA'97, Curitiba, Brazil, November 2-5, 1997, Proceedings BSDIA Lecture Notes in Computer Science 1339 Springer 1997 3-540-63791-5 db/conf/bsdia/bsdia1997.html