000
00249 a2200109 4500
082
_a
621.38
_b
In7p
245
1
_a
PRINCIPLES OF COMMUNICATION ENGINEERING
260
_a
New Delhi
_b
I. E. T. E.
_c
300
_a
964
_g
CIRC
997
_a
A70467 s C
999
_c
464256
_d
464256