@InProceedings{UMNCC15ATM,
  author = "Jason Upchurch and C{\'e}sar Mu{\~n}oz and Anthony Narkawicz and Mar{\'{\i}}a Consiglio and James Chamberlain",
  title = "Characterizing the Effects of a Vertical Time Threshold for a Class of Well-Clear Definitions",
  booktitle = "Proceedings of the 11th USA/Europe Air Traffic Management R\&D Seminar, ATM 2015",
  number = "356",
  address= "Lisbon, Portugal",
  year = "2015"
}