Cameron-Brown, Charles Alexander, 1900- Cameron-Brown, Charles Alexander, 1900-

Utilization of ultra-violet rays in agriculture (e.g. to stimulate growth, counteract rickets in young animals and birds, promote egg-laying, etc.). At head of title: Rural electrification - Geneva : United Nations Economic Commission for Europe, 1955. - [United Nations. Document] ; E/ECE/210, E/ECE/EP/159 . - Document (United Nations) ; E/ECE/210, E/ECE/EP/159 .

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Livestock.
Ultraviolet radiation -- Physiological effect.--Ultraviolet radiation -- Physiological effect.