Pattern Recognition, Volume 21

Volume 21, Number 1, 1988

Volume 21, Number 2, 1988

Volume 21, Number 3, 1988

Volume 21, Number 4, 1988

Volume 21, Number 5, 1988

Volume 21, Number 6, 1988

a service of Schloss Dagstuhl - Leibniz Center for Informatics