000 00344nam a2200145Ia 4500
020 _a0751361453
082 _b313
_a629.23
100 _a"Bridgman, Roger"
245 0 _aElectronics
260 _bDorling Kindersley Limited
_aGreat Britain
_c1993
300 _a63
944 _cR
999 _c87164
_d87164