000 00261nam a2200073 4500
080 _a
_b
245 _aIEC: 367 - 1 - 1982; Cores for inductors and transformers for telecommunications Part 1 measuring methods
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1982
300 _a143p
999 _c35613
_d35613