@book{41,
	author = {Engelman, Robert,},
	title = {Maintaining Buildings},
	publisher = {UrbanNext,},
	year = {September 29, 2015.},
	note = {Energy and sustainability, Middle Density, Ricardo Devesa Devesa, Robert Engelman, Talk},
	url = {https://urbannext.ovh/maintaining-buildings/}
}