A cluster of Antennapedia-class homeobox genes in a nonsegmented animal.

@article{Kenyon1991ACO,
  title={A cluster of Antennapedia-class homeobox genes in a nonsegmented animal.},
  author={Cynthia J. Kenyon and Bin Wang},
  journal={Science},
  year={1991},
  volume={253 5019},
  pages={516-7}
}