References
- British Standards Institution, Colour Transmission of Photographic Lenses, B.S. 3824:1964.
- American National Standards Institute, Test method for the Selective Transmission of a Photographic Lens, A.N.S.I. PH 3.37—1969.
- Williams, F. C., and Grum, F., Colour Balance and Camera Lens Colour, Photographic Science and Engineering, V.4, No. 2, March-April, I960.
- Kodak Technical Pamphlet E78, Sensitometric and Image Structure for Kodak Colour Film.