| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Pilotless Drones: Background and Considerations for Congress Regarding Unmanned Aircraft Operations in the National Airspace System | 978-1-49O5-1969-2 (1-49O5-1969-6) | 2013 |
B*e · Berit Ewells · Brad Ellis · Bret Ellis