000 00300nam a2200121Ia 4500
008 160710s1958 xx 000 0 und d
082 _a621.3 ELE
100 _aTEASDALE ,H.
245 _aELECTRO - TECHNOLOGY
260 _bTHE ENGLISH UNIVERSITIES PRESS LTD
_c1958
300 _a333
942 _2ddc
_cB
999 _c25451
_d25451