00319nam a2200121 a 4500008004100000020001500041050001600056100002000072245004600092260002700138300002300165350000900188120416s0000    ||||||||||||||||| ||    u  a0434918377  aTK 7815 Sin  aSinclair, Ian R10aElectronics for technicians and engineers  aLondonbHeinemanc1987  a(vii), 270p. : ill  a0.00