IFIP [INTERNATIONAL FEDERATION FOR INFORMATION PROCEEDING] WORLD CONFERENCE SERIES ON MEDICAL INFORMATICS ; vol. 6 298,807 Medinfo 89 : Proceedings of the Sixt Conference on Medical Informatics Beijing, China, 16-20 October, 1989 and Singapore, Republic of Singapore, 11-15 December, 1989 / ed. by Barry Barber [et al.]. -Amsterdam [etc.] : North-Holand, 1989. - 2 parts. - 27 cm P. 1. - [4], XLIX, [1], 776 s. : il., wykr. P. 2. - [4], XXIV, S. 777-1262 : il., wykr. (IFIP [International Federation for Information Proceeding] World Conferer Series on Medical Informatics ; vol. 6) ISBN 0-444-88138-7