TY - BOOK AU - Rupert,Ben TI - Drones the ultimate guide : : how they work, learning to fly, how to fly, building your own drone, buying a drone, how to shoot photos U1 - 623.7469 PY - 2017///] CY - [s.n.] PB - [s.l.], KW - Engineering KW - Pilotless aircraft KW - Instrument flying KW - Automatic control KW - Aerial photography ER -