@book{12374,
	author = {Owens, Charles D., and Farrar, Clayton Leon, and Wisconsin.},
	title = {Electric heating of honey bee hives},
	publisher = {U.S. Agricultural Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,},
	year = {1967]},
	series = {United States. Dept. of Agriculture. Technical bulletin ;},
	address = {Washington]},
	note = {Prepared in cooperation with Wisconsin Agricultural Experiment Station.}
}