000 00277nam a2200109Ia 45e0
008 181001s1973 xx 000 0 und d
100 _aSedov E.
245 0 _aEntertaining electronics
260 _aMascow
_bMir Pub.
_c1973
300 _a351
942 _2ddc
_cBK
999 _c2221
_d2221