000 002980000a22001210004500
008 160502b1954 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.384
_bF5
942 _cBK
100 _aFischer, B.
245 _aElements of mathematics for radio television of electronics
260 _c1954
999 _c8444
_d8444