00463nam 2202669 45000010005000000030023000050050009000280080041000370820008000780720025000860200018001111000018001292600031001472450036001786500025002146500023002396500021002622669StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aLED display circuits a0-7506-0157-4 aR. M. Marston bNEWNES-Butterworths c1994 aOptoelectronics circuits manual aLED display circuits aLED graph circuits aPasic Principles