000 00247nam a2200109Ia 4500
008 240625s9999 xx 000 0 und d
041 _aeng
082 _a005.44 PRE
100 _aPREPPERNAU JOAN
245 _aWINDOWS 7 STEP BY STEP
260 _c2010
999 _c34761
_d34761