000 00309nam a2200121Ia 4500
999 _c14112
_d14112
008 190711s9999 xx 000 0 und d
082 _a621.382 S399
100 _aSchwartz, Mischa
245 0 _aCommunication Systems and Techniques
260 _aNew York
_bMcGraw-Hill
_c1966
300 _a23X15
942 _cBK