Kassis, J. A., Wong, M. L., & O'Farrell, P. H. (1985). Electron microscopic heteroduplex mapping identifies regions of the engrailed locus that are conserved between Drosophila melanogaster and Drosophila virilis.

Kassis, J A., M L. Wong, and P H. O'Farrell. Electron Microscopic Heteroduplex Mapping Identifies Regions of the Engrailed Locus That Are Conserved between Drosophila Melanogaster and Drosophila Virilis. 1985.

Kassis, J A., M L. Wong, and P H. O'Farrell. Electron Microscopic Heteroduplex Mapping Identifies Regions of the Engrailed Locus That Are Conserved between Drosophila Melanogaster and Drosophila Virilis. 1985.