| 000 | 00395nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 240806s9999||||xx |||||||||||||| ||und|| | ||
| 040 | _aKenya National Library Service | ||
| 082 | _a535 KEL | ||
| 100 | _aKellerher,R.F. | ||
| 245 | 0 | _aIntroduction to Optics | |
| 260 |
_aNairobi _b East Africa Publishing House _c1977 |
||
| 650 | _aLight and infrared and Ultraviolet phenomena | ||
| 942 | _cBK | ||
| 999 |
_c244516 _d244516 |
||