000 00286nam a2200109Ia 4500
008 220201s1967 xx 000 0 eng d
100 _aIndian Standard Institute
245 0 _aIS:3646 p1 code of practice for interior illuminations
260 _bISI
_c1967
300 _a60
942 _2ddc
999 _c74716
_d74716