TY - BOOK ID - 136721925 TI - Analysis of well-clear boundary models for the integration of UAS in the NAS AU - Upchurch, Jason M. AU - Langley Research Center AU - United States. PY - 2014 PB - Hampton, Virginia : National Aeronautics and Space Administration, Langley Research Center, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136721925 AB - ER -