00308nam a2200121 a 4500008004100000020001500041050001900056100001800075245002700093260003500120300002200155350000900177120416s1989    ||||||||||||||||| ||    u  a0434912077  aTK 7868.O6 Mar  aMarston, R. M10aOp-amp circuits manual  aOxfordbHeinemann Newnesc1989  a(vii) 211p. : ill  a0.00