1.
Small Unmanned Aircraft Systems Guide : Exploring Designs, Operations, Regulations, and Econ...
by Terwilliger, Brent, Ison, D...
ISBN: 9781619543942
2.
Small Unmanned Aircraft Systems Guide : Exploring Designs, Operations, Regulations, and Econ...
by Terwilliger, Brent, Ison, D...
ISBN: 9781619543980