000 00437nam a22001577a 4500
003 CEME
005 20210628202117.0
008 210415b xxu||||| |||| 00| 0 eng d
040 _c.
082 _a621.381528 TES'B
100 _aBernards
_958315
245 _aTested superlet circuits for shortwave and communications receivers using micro alloy transistors
260 _aLONDON
_bBERNARDS
_c1963
300 _a44P
942 _cBK
_2ddc
999 _c568512
_d568512