000 00359nam a2200169Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aHellman, C.I.
245 _aElements of radio
250 _aThird
260 _c1956
546 _aEnglish
942 _2ddc
_cBK
999 _c30670
_d30670
005 20220125170211.0