000
00263nam a2200097 4500
082
_a
025.4 DEP/CLA/53
100
_a
ISI
245
_a
Indian standard code of practice for library lighting
_c
ISI
260
_a
London
_b
Indian standards Institution
_c
1966
942
_c
BK
999
_c
379151
_d
379151