000 00327nam a22001457a 4500
003 SGT
082 _a617.75
_bT14K
100 _aKHURANA, A.K
245 _aTHEORY & PRACTICE OF OPTICS AND REFRACTION
250 _a3RD
260 _aINDIA
_bELSEVIER
_c2014
300 _a439
650 _aOPHTHALMOLOGY
942 _2ddc
_cBK
_023
999 _c10126
_d10126