000
00258nam a2200109Ia 4500
008
220201s1999 xx 000 0 eng d
100
_a
SIMON, M.K.
245
0
_a
DIGITAL COMMUNICATION TECHNIQUES
260
_a
DELHI
_b
PHI
_c
1999
300
_a
877
942
_2
ddc
999
_c
68352
_d
68352