1. Real-Time Participant Feedback from the Symposium for Civilian Applications of Unmanned Aircraft Systems;Argrow;Journal of Intelligent Robotic Systems,2009
2. “Certificate of Authorization or Waiver (COA),” Federal Aviation Administration http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/systemops/aaim/ organizations/uas/coa/ 2012
3. Department of Transportation, Federal Aviation Administration “Model Aircraft Operating Standards 1981
4. Davis , K.D. “UAS Interim Operational Approval Guidance 08-01, Unmanned Aircraft Operations in the U.S. National Airspace System,” http://www.faa.gov/about/initiatives/uas/reg/media/uas_guidance08-01.pdf
5. The tempest unmanned aircraft system for in situ observations of tornadic supercells: design and VORTEX2 flight results;Elston;Journal of Field Robotics,2011