000
00370nam a2200169Ia 4500
003
0STCL
008
150530s9999 xx 000 0 und d
040
_a
STCL
_c
STCL
100
_a
Harnam Singh
245
_a
Principles of Light
250
_a
Second
260
_b
S.Chand
_c
1974
546
_a
English
942
_2
ddc
_c
BK
999
_c
29171
_d
29171
005
20220125170144.0