Opuscula,

Clarendon Press, Oxford, 1913.

Ashton, Sheila M. and H. E. Bellchambers, “Illumination, Colour Rendering and Visual Clarity,”

Transactions Illuminating Engineering,

Vol. 1, No. 4, 1969.

Babbitt, Edwin D.,

The Principles of Light and Color (1878), edited and annotated by Faber Birren, University Books, New Hyde Park, New York, 1967.

Bagnall, Oscar,

The Origin and

E. P. Dutton & Co., New York, 1937.

Página desconocida