000
00269nam a2200109Ia 4500
008
140725s9999 xx 000 0 und d
041
_a
English
100
_a
R P, SINGH and SAPPIRE, S D
245
_a
COMMUNICATION SYSTEM: ANALOG AND DIGITAL
260
_c
2004
942
_c
BK
999
_c
850
_d
850