000 00257nam a2200121Ia 4500
008 220821s2009 xx 000 0 eng d
100 _aHECHT, EUGENE
245 0 _aOPTICS
250 _a4TH
260 _bPEARSON
_c2009
300 _a650
942 _2ddc
_cBTECH
_01
999 _c826
_d826