@misc{indiciae16d45ce368d3,
  title = {Defining the Polar Vortex Edge from a N20: Potential Temperature Correlation},
  author = {Greenblatt, Jeffery B. and Jost, Hans-Juerg and Loewenstein, Max and Podolske, James R. and Bui, T. Paul and Hurst, Dale F. and Elkins, James W. and Herman, Robert L. and Webster, Christopher R. and Schauffler, Sue M.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20050232770},
  note = {Source identifier: 20050232770}
}