000 00386nam a2200133Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aNational Physical Laboratory
245 0 _aPrecision electrical measurements
260 _bHer Majestry's Stationary Office
_aLondon
_c1955
300 _a26 p.15
653 _aEngineering
942 _c1
999 _c45960
_d45960