000 00312nam a2200109Ia 4500
008 140205s9999 xx 000 0 und d
100 _aISI
245 _aIndian standard code of practice for library lighting IS 2672-1966
260 _bIndian Standards Institution
_aNew Delhi
_c1974
300 _a11
942 _2ddc
_cBK
999 _c703
_d703