JORNA, R.J. , HEUSDEN, B. VAN, POSNER, R., (ED.)Signs, search and communication. Semiotic aspects of artificial intelligence. Berlin, De Gruyter, 1993.
(VIII) 377 pp. Cloth. (Grundlagen der Kommunikation und Kognition) *good condition*
Contributors: E.M. Barth, J. Pelc, M.F. Peschl, B.G. Silverman a.o.