@book{7048,
	author = {Castle, William E.},
	title = {The heredity of sex.},
	year = {1903.},
	series = {Contributions from the zoölogical laboratory of the Museum of comparative zoölogy at Harvard college ...},
	address = {Cambridge, Mass.},
	note = {From the Bulletin of the Museum of comparative zoölogy at Harvard college, vol. XL, no. 4.}
}