000 00390nam a2200133Ia 4500
008 230107s9999||||xx |||||||||||||| ||und||
020 _a0-07-310917-7
040 _cChuka University Library
050 _aHE 9723
_bS8 1967
100 _aStein ,S
_93018
245 0 _aModern communacation principles with application to digital signaling
260 _aMc graw hill
_bNewyork
_c1967
942 _cBK
999 _c8918
_d8918