01220cam a2200313 4500 agr68000060 DLC 20260227111028.0 700518s1967 dcua b 000 0 eng c agr68000060 U.S. Nat'l Agr. Libr. DLC DLC S21 .A72 no. 1377 1 Ag84Te no. 1377 630/.8 s Owens, Charles D., 1921- Electric heating of honey bee hives [by Charles D. Owens and C. L. Farrar. Washington] U.S. Agricultural Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967] 24 p. illus. 24 cm. 0.15 United States. Dept. of Agriculture. Technical bulletin ; no. 1377 Prepared in cooperation with Wisconsin Agricultural Experiment Station. Bibliography: p. 24. Beehives Heating and ventilation. Beehives Heating. Electric heating. Farrar, Clayton Leon, 1904- joint author. Wisconsin. Agricultural Experiment Station, Madison. Technical bulletin (United States. Department of Agriculture ; no. 1377. 12374 12374