000
00286nam a2200121Ia 4500
008
220201s1997 xx 000 0 eng d
082
_a
621.382
_b
ROD
100
_a
Roden, M.S.
245
0
_a
Analog and digital comm. system
260
_a
Delhi
_b
PHI
_c
1997
300
_a
505
942
_2
ddc
999
_c
35206
_d
35206