000 00343nam a2200145Ia 4500
008 230106s9999 xx 000 0 und d
082 _a4
_bCR-Y
100 _aCrawford,Sharon
245 0 _aYour first modem
250 _a1st Ed.
260 _aNew Delhi
_bBPB Publications
_c1994
300 _a274
650 _aComputer Engineering
942 _cBK
999 _c351
_d351