title: Further Studies of Crossing over in Attached-X Chromosomes of Drosophila Melanogaster.
authors.affiliation: William G. Kerckhoff Laboratories of the Biological Sciences California Institute of Technology, Pasadena, California.
authors.forename: G W
authors.initials: GW
authors.lastname: Beadle
authors.forename: S
authors.initials: S
authors.lastname: Emerson