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_c14129 _d14129 |
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| 008 | 200318b ||||| |||| 00| 0 eng d | ||
| 082 |
_a617.7 _bKHU/T OPM |
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| 100 | _aKhurana.AK | ||
| 245 | _aTheory and practice of optics and refraction | ||
| 250 | _a4th | ||
| 260 |
_aIndia _bELSEVIER _c2018 |
||
| 300 | _a526P | ||
| 942 | _cBK | ||