000
00224nam a2200109Ia 4500
100
_a
Middleton LR
245
2
_a
Textbook of Light
250
_a
3rd
260
_c
1958
_a
London
_b
G.Bell & Sons
300
_a
viii+288
942
_c
BK
999
_c
1959
_d
1959