Gelsema, E. [., & Kanal, L. N. [. (1980). Pattern recognition in practice: Proceedings of an International workshop held in Amsterdam, May 21-23, 1980. North holland publishing company.

Gelsema, Edzards [Ed.], and Laveen N. [Ed.] Kanal. Pattern Recognition in Practice: Proceedings of an International Workshop Held in Amsterdam, May 21-23, 1980. New York: North holland publishing company, 1980.

Gelsema, Edzards [Ed.], and Laveen N. [Ed.] Kanal. Pattern Recognition in Practice: Proceedings of an International Workshop Held in Amsterdam, May 21-23, 1980. North holland publishing company, 1980.