000
00290nam a2200133Ia 4500
020
_a
9780074636824
100
_a
George Kennedy
245
_a
Electronic communication systems
250
_a
4
260
_c
2007
_b
TMH
_a
New Delhi
300
_a
763
700
_a
Bernard Davis
942
_c
BK
999
_c
34369
_d
34369