000 00371nam a2200097 4500
080 _a
_b
245 _aIEC: 60834-1-1999: Teleprotection equipment of power systems- Performance and testing- Part 1: Command systems
100 _aInternational Elelctrotechnical commission
250 _a2
260 _aGeneva
_bInternational Elelctrotechnical Commission
_c1999
300 _a109
500 _aDownloaded from the IEC website
999 _c38129
_d38129