@book{20411,
	author = {Dobzhansky, Theodosius. and Epling, Carl.},
	title = {Contribution to the genetics, taxonomy and ecology of drosophila pseudoobscura and its relatives},
	publisher = {Carnegei Institution,},
	year = {1944},
	series = {Pub. 554},
	address = {Washington :}
}