000 00338nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a4
082 _b67 MIC
100 _aMicrosoft
245 0 _aStep By Step Microsoft W
260 _aNew Delhi
260 _bP.H.I
260 _c2001
300 _a"XXVI, 331"
999 _c42170
_d42170