00299nam a2200109Ia 4500008004100000041000800041082002400049100001800073245004600091260004400137300000800181211209s1990    xx            000 0 und d  aeng  a621.381 N90 RYD/CHU  aRYDER, JOHN D  aELECTRONIC FUNDAMENTALS AND APPLICATIONS   aNEW DELHIbPRENTICE-HALL OF INDIAc1990  a538