000
00285 a2200121 4500
999
_c
187410
_d
187410
008
180531b xxu||||| |||| 00| 0 eng d
020
_a
8187169680
084
_2
cc
_a
C51
100
_a
Sommerfeld, Arnold
245
_a
Optics
260
_b
Levant Books,
_c
2006
_a
Kolkata
942
_c
GEN