| 000 | 00345nam a22001457a 4500 | ||
|---|---|---|---|
| 005 | 20210922144122.0 | ||
| 008 | 210922b ||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 100 |
_aMathur B K _926810 |
||
| 245 | _aPrinciples of optics | ||
| 250 | _a3rd | ||
| 260 |
_aN Delhi _bNew Gopal Printing Press _c1962 |
||
| 300 | _a768 | ||
| 942 | _cBK | ||
| 999 |
_c191957 _d191957 |
||