Use of artificial light to increase winter egg production
Dougherty, J.E.
Use of artificial light to increase winter egg production - Berkely 1922 - 1-6 p. - Egg, Production California Agricultural Experiment Station. Circular No. 254 .
Use of artificial light to increase winter egg production - Berkely 1922 - 1-6 p. - Egg, Production California Agricultural Experiment Station. Circular No. 254 .