000 00327nam a2200109Ia 45e0
008 181001s1961 xx 000 0 und d
100 _aSheingald A
245 0 _aFundamental of Radio communication
260 _aLondon
_bNostrand London
_c1961
300 _a442
942 _2ddc
_cBK
999 _c806
_d806