@article{ho_lall_cook_2018, 
  title={How Wet and Dry Spells Evolve across the Conterminous United States Based on 555 Years of Paleoclimate Data}, 
  volume={31}, 
  DOI={10.1175/jcli-d-18-0182.1}, 
  number={16}, 
  publisher={American Meteorological Society}, 
  author={Ho and Lall and Cook}, 
  year={2018}
  }