000 00290nam a2200121Ia 4500
008 160710s1947 xx 000 0 und d
082 _a621.384 TIB
100 _aTIBBS E
245 _aFREQUENCYMOUDULATIONS ENGINEERS
260 _bCHAPMAN AND HALL
_c1947
300 _a310
942 _2ddc
_cD
999 _c70773
_d70773