00339nam a2200133 a 450000500170000002000150001708200240003210000180005624500150007426000350008930000170012449000410014170000230018220251203091944.0  a812240345X  a621.381528,bD, Gel  aGelder, Erich  aTransistor  aNew DelhibWiley Easternc1991  a68p.c18 cm.  aSiemensaProgrammed instructionsa21  aReiter, Karl-Heinz