000
00258nam a22001097a 4500
005
20231211115816.0
008
231211b |||||||| |||| 00| 0 eng d
082
_a
621
_b
LIF
100
_a
119EC0039
245
_a
Li-Fi indoor positioning system
942
_2
ddc
_c
TD
999
_c
2008
_d
2008