000
00253nam a2200109Ia 4500
008
200701s2012 xx 000 0 eng d
100
_a
CHITODE
245
0
_a
DIGITAL COMMUNICATION
260
_b
BS PUBLICATIONS
_c
2012
300
_a
854
942
_2
ddc
_c
GE
_0
1
999
_c
5300
_d
5300