000 00318nam a2200133Ia 4500
008 230609s9999 xx 000 0 und d
082 _aKHU
100 _aKhurana,
245 0 _aTheory and Practice of Optic and Refraction
250 _a2
260 _aUnited State
_b:Elesvier
_c2012
300 _a445p.
942 _cBOOK
999 _c2703
_d2703