000 00334nam a2200133Ia 4500
008 211228s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aWorcester,Roland
245 0 _aElectronics
260 _bPaul hamlyn
_alondon
_c1969
300 _a159p. p.
653 _aElectronics
942 _c1
999 _c224988
_d224988