@book{12175,
	author = {Jones, Alfred,},
	title = {Theoretical segregation ratios of qualitatively inherited characters for hexaploid sweetpotato (Ipomoea batatas L.)},
	publisher = {Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,},
	year = {1967]},
	series = {United States. Dept. of Agriculture. Technical bulletin ;},
	address = {Washington]}
}