000 00229nam a2200073 4500
080 _a
_b
245 _aBS-2067 - 1953; Determination of Power-factor and Permittivity of Insulating Materials
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1953
300 _a26p
999 _c24714
_d24714