000
00259nam a2200109Ia 4500
008
200701s1998 xx 000 0 eng d
100
_a
KUMAR.A
245
2
_a
A TEXT BOOK OF COMMUNICATION ENGINEERING
260
_b
S CHAND
_c
1998
300
_a
358
942
_2
ddc
_c
GE
999
_c
721
_d
721