000 00256nam a2200073 4500
080 _a
_b
245 _aIEC: 857-1996; Pre- recorded optical reflectivwe videodisk system "Laser vision" 60 Hz/525 lines-M/NTSC
100 _aInternational Electrotechnical Commission
250 _a1
260 _aGeneva
_bIEC
_c1986
999 _c36168
_d36168