Andersen, P B Theory of computer semiotics: Semiotic approaches to construction and assessment of computer system - Cambridge: Cambridge University Press, 1990 - vii, 416p. - Cambridge series on human-computer interaction . ISBN: 0-521-39336-1 Subjects--Topical Terms: Computer science Subjects--Index Terms: Semiotics aspects Universal Decimal Class. No.: D 519.6+519.76 / N0