| 000 | 00390nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 240806s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _aKS ISO 31-6:1992 | ||
| 040 | _aKenya National Library Service | ||
| 082 | _a539.2 KEN | ||
| 245 | 0 | _aQuantities and Units Part 6: Light and related electromagnetic radiations. | |
| 260 |
_aNairobi _b KEBS _c2005 |
||
| 650 | _aECONOMICS. | ||
| 942 | _cBK | ||
| 999 |
_c220717 _d220717 |
||