000 00269nam a2200109Ia 4500
008 220201s2002 xx 000 0 eng d
100 _aSCHWEBER, W.
245 0 _aELECTRONIC COMMUNICATION SYSTEM + CD
260 _aDELHI
_bJAICO PUB
_c2002
300 _a820
942 _2ddc
999 _c68437
_d68437