@book{51523,
	author = {Gassmann, Oliver, and Böhm, Jonas,},
	title = {Smart cities :},
	publisher = {Emerald Publishing Limited,},
	year = {2019.},
	address = {Bingley, U.K. :},
	url = {https://www.emerald.com/insight/publication/doi/10.1108/9781787696136}
}