00599cam a2200205 7i4500 0000040031 20220818090000.0 0198604424 (pbk) 004.21 HAR QA76.5 HAR 2000 Harel, David author Computers Ltd. : what they really can't do David Harel. Oxford, UK: Oxford University Press, 2000. xi, 222 pages: illustrations; 20 cm. text rdacontent unmediated rdamedia volume rdacarrier BCSCU Computers Computer software