000 00341nam a2200121Ic 4500
008 240520s9999 xx 000 0 und d
020 _a853913775
100 1 _aSinnema, William
245 1 0 _aDigital, analog and data communications /
_cWilliam Sinnema
264 1 _aNJ
_bPrentice Hall
_c1980
300 _axi; 524 p; ill;, 24 cm
942 _cBK
999 _c13150
_d13150