000 | 00282nam a2200073 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aIS: 3646 (Part III) - 1968; Code of practice for interior illumination Part III Calculation of coefficients of utilization by the BZ method | ||
700 | _aBureau of Indian Standards | ||
260 |
_aNew Delhi _bBIS _c1969 |
||
300 | _a51p | ||
999 |
_c33663 _d33663 |