000
00288nam a22001217a 4500
020
_a
9780074636824
082
_a
621.382
100
_a
GEORGE, KENNEDY
_a
DAVIS, BERNARD
245
_a
ELECTRONIC COMMUNICATION SYSTEM
260
_a
NEW DELHI
_b
TMH
_c
1999
300
_a
763P
942
_c
BK
999
_c
16254
_d
16254