000 00293nam a2200121Ia 4500
008 230718s9999||||xx |||||||||||||| ||und||
082 _a621.38
100 _aSINGH ANOKH
245 0 _aPRINCIPLES OF COMMUNICATION ENGINEERING
250 _a3
260 _bS Chand
_c1991
_aDELHI
300 _a612
999 _c20998
_d20998