| 000 | 00286nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aIS:01890 (part 6) - 1983/ISO 31 - 6 - 1980 (Reaffirmed 1989); Quantities, units and symbols Part 6 light and related electromagnetic radiations | ||
| 700 | _aBureau of Indian Standards | ||
| 260 |
_aNew Delhi _bBIS _c1983 |
||
| 300 | _a16p | ||
| 999 |
_c35528 _d35528 |
||