000 00418nam a2200157Ia 4500
008 240618s9999||||xx |||||||||||||| ||und||
020 _aERNET
_c114
040 _aMAIN
082 _a358
100 _aI.E.C
_934105
245 0 _aTELECONTROL EQUIPMENT AND SYSTEMS, PART 5: TRANSMISSION PROTOCOLS, SECTION 1: TRANSMISSION FRAME FOR
260 _bOTH
_c1990
_aGENEVA
300 _b79
500 _aBR-1266
942 _cBK
999 _c41101
_d41101