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References
1.
Helwig, H.J.
, and
Krochmann, J.
, Lichttechnik , 10 , 561 (1958 ).
Lynes, J.A.
,
Burt, W.
,
Jackson, G.K.
, and
Cuttle, C.
, Trans. Illum. Eng. Soc. (London), 31 , 65 (1966 ).
Marsden, A.M.
, Light Ltg , 63 , 21 (1969 ).
2.
Gershun, A.
, Jl. Maths Phys. , 18 , 84 (1939 ).