@techreport{UMNCC2014NASA,
 author = {Jason M. Upchurch and C\'esar A. Mu{\~{n}}oz and Anthony J. Narkawicz and James P. Chamberlain and 
Mar{\'{\i}}a C. Consiglio},
 title = {Analysis of Well-Clear Boundary Models for the Integration of {UAS} in the {NAS}},
 institution =  "NASA",
 month = "June",
 year  = "2014",
 type  = "Technical Memorandum",
 number = "NASA/TM-2014-218280",
 address = "Langley Research Center, Hampton VA 23681-2199, USA"
}