000 00304nam a2200121Ia 4500
008 220610s9999||||xx |||||||||||||| ||und||
020 _a9789353163020
100 _aProakis, John G
245 0 _aDigital communications
260 _aChennai
_bMcGraw-Hill Education
_c2018
300 _a1150 p
942 _yBK
999 _c18462
_d18462