@article{sturtevant_bridges_morgan_1919, 
  title={The Spatial Relations of Genes}, 
  volume={5}, 
  number={5}, 
  publisher={National Academy of Sciences of the United States of America}, 
  author={Sturtevant, A. H. and Bridges, C. B. and Morgan, T. H.}, 
  year={1919}, 
  month={May}
  }