000 00508 a2200133 4500
999 _c66808
_d66808
008 200610b ||||| |||| 00| 0 eng d
100 _aInternational Electrotechnical Commission
245 _aIEC 61850-7-4:2010/AMD1:2020; Amendment 1 - Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
250 _aEd.2.0
260 _bIEC
_c2020
_aGeneva
300 _a878p.
310 _a0
942 _cSTDS