000 00266nam a2200109Ia 4500
008 160710s1950 xx 000 0 und d
100 _aWHITEHEAD ,J.R
245 _aSUPER REGENERATIVE RECEIVERS
260 _bUNIVERSITY PRESS
_c1950
300 _a169
942 _2ddc
_cB
999 _c13143
_d13143