000 00321nam a2200133Ia 4500
008 221117s9999 xx 000 0 und d
082 _bBAR
100 _aBARKAN, V.
245 0 _aRADIO RECOVERS
260 _bMIR PUBLISHERS, MOSCOW
_c1973
300 _a503
650 _aElectronics & Communication Eng.
942 _cBK
999 _c211105
_d211105