| 000 | 00451nam a2200109Ia 4500 | ||
|---|---|---|---|
| 100 | _aIndian Standards Institution | ||
| 942 | _cBK | ||
| 245 |
_aIndian standard code of practice for interior illumination part III calculation of coefficients of utilization by the BZ method _billuminating engineering sectional committee, ETDC 45 |
||
| 260 |
_aIndian Standards Institution, New Delhi _c1969 |
||
| 082 | _aIS:3646(pt.III)-1968 621.321 I.S.I. | ||
| 300 | _a51 | ||
| 999 |
_c65509 _d65509 |
||