Small Unmanned Aircraft Systems Guide: Exploring Designs, Operations, Regulations, and EconomicsE-bookSmall Unmanned Aircraft Systems Guide: Exploring Designs, Operations, Regulations, and EconomicsdiBrent TerwilligerValutazione: 0 su 5 stelle0 valutazioniSalva Small Unmanned Aircraft Systems Guide: Exploring Designs, Operations, Regulations, and Economics per dopo