(EN) J. (Bob) Balaram, Timothy Canham, Courtney Duncan, Matt Golombek, Håvard Fjær Grip, Wayne Johnson, Justin Maki, Amelia Quon, Ryan Stern e David Zhu, Mars Helicopter Technology Demonstrator (PDF), in AIAA Atmospheric Flight Mechanics Conference, 2018, DOI:10.2514/6.2018-0023. URL consultato il 3 maggio 2021.
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(EN) J. (Bob) Balaram, Timothy Canham, Courtney Duncan, Matt Golombek, Håvard Fjær Grip, Wayne Johnson, Justin Maki, Amelia Quon, Ryan Stern e David Zhu, Mars Helicopter Technology Demonstrator (PDF), in AIAA Atmospheric Flight Mechanics Conference, 2018, DOI:10.2514/6.2018-0023. URL consultato il 3 maggio 2021.