000 00396nam a2200097 4500
080 _a
_b
245 _aIEC: 60076-21-2012/IEEE C57.15; Power transformers - Part 21 - Standard requirements, terminology, and test code for step voltage regulators
100 _aInternational Electrotechnical Commission
250 _a1.0
260 _aGeneva
_bInternational Electrotechnical Commission
_c2011
300 _aX+93+4
500 _aPrint out taken from CD
999 _c40587
_d40587