| 000 | 00352nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a535 | ||
| 100 | _aPreston,J.S. | ||
| 245 | _aPhotometric standards and the unit of light. | ||
| 260 |
_aLondon _bHer Majestys _c1961 |
||
| 300 | _a32 | ||
| 650 | _aPhysics. | ||
| 653 | _aPhysics. | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c4448 _d4448 |
||