000
00257nam a2200109 4500
008
160616s 000 0
245
_a
Geometrical and physical optics
100
_a
Longhurst, R.S.
500
_a
C51 L32
942
_c
BK
_2
BK9292
080
_a
535 LON
999
_c
9292
_d
9292