000 00269nam a2200121Ia 4500
999 _c55968
_d55968
020 _a9788177588279
100 _aJohn F Koegel Buford.
245 _aMultimedia Systems
250 _a1
260 _c2013
_bPEARSON EDUCATION
_aNew Delhi
300 _a462
942 _cBB