Electric lights for lncreasing egg production
Kable, Geo W., Fox, F.E., Lunn, A.G.
Electric lights for lncreasing egg production - Corvallis 1928 - 1-37 p. - Electric, Egg Oregon Agricultural Experiment Station. Station Bulletin No. 231 .
Electric lights for lncreasing egg production - Corvallis 1928 - 1-37 p. - Electric, Egg Oregon Agricultural Experiment Station. Station Bulletin No. 231 .