000 00251nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aFARBER(JOHN W)
245 0 _aESSENTIAL ELECTRONICS FOR PC TECHNIQUES
260 _bFIREWALL MEDIA
942 _2ddc
_cBTECH
999 _c5358
_d5358