@book{771,
	author = {Ledgard, J.M.,},
	title = {Cargo Drone Manifesto},
	publisher = {UrbanNext,},
	year = {December 30, 2016.},
	note = {africanCities, Essay, J.M. Ledgard, Low Density, Middle Density, Territory and mobility},
	url = {https://urbannext.ovh/cargo-drone-manifesto/}
}