000 00411nam a2200145Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
020 _a0-07-462456-3
082 _a621.382 SCH
100 _aHerbert, Taub Schilling,Donald,L
_91050
245 0 _aPrinciples of communication systems
250 _a2nd
260 _aTata mc graw hill
_bNew Delhi
_c2007
300 _b260
650 _aCOMMUNICATION SYSTEM
999 _c175146
_d175146