000
00257nam a2200109Ia 4500
008
220201s2003 xx 000 0 eng d
100
_a
Sanjay Sharma
245
0
_a
Communication System
260
_a
New Delhi
_b
Kataria
_c
2003
300
_a
1161
942
_2
ddc
999
_c
66281
_d
66281