00242nam a2200109Ia 4500008004100000041000800041082002000049100002000069245002600089260000900115300000800124211209s1976    xx            000 0 und d  aeng  a004 N76 HOL/TOO  aHOLLINGDALE S H  aELECTRONIC COMPUTERS   c1976  a378