000
00252nam a2200121Ia 4500
020
_a
8121931029
082
_a
621.382 KHA
100
_a
KHANNA, V.K.
245
_a
DIGITAL COMMUNICATIONS
260
_b
S. CHAND
_c
2014
300
_a
268
942
_2
ddc
_c
B
999
_c
68349
_d
68349