INTERNATIONAL JOURNAL OF PATTERN RECOGNITION AND ARTIFICIAL INTELLIGENCE
Annual subscription, 1992/3, $340; individual subscription, $138. Add
$34 for airmail. Published 5 times a year by World Scientific
Publishing Co. Pte. Ltd., Farrer Road, PO Box 128, Singapore 9128.
(In the US, write to World Scientific Publishing Co., Inc., River Edge,
NJ 07661; in Europe to World Scientific Publishing Co., Inc., Totteridge,
London N20 8DH, England.)

PATTERN RECOGNITION
Journal of the Pattern Recognition Society. Members receive the
journal free of charge as part of their membership in the Society.
Institutions may subscribe for $845.
Pergamon Press, Ltd., Headington Hill Hall, Oxford OX3 0BW, UK.
Pergamon Press, Inc., 660 White Plains Road, Tarrytown, NY 10591-5153.

PATTERN RECOGNITION LETTERS
Published 12 times annually. ISSN 0167-8655.
Official publication of the International Association for Pattern
Recognition. Subscriptions: $462 Institutions.
Elsevier Science Publishing, 655 Avenue of the Americas, New York, NY
10017, 212-633-3827. Outside the US, contact Elsevier Science
Publishers, Attn: Ursula van Dijk, PO Box 103, 1000 AC Amsterdam, The
Netherlands, or call +31-20-5862-608.