@inbook {johnson2013situating,
	title = {Situating the Adoption of VGI by Government},
	booktitle = {Crowdsourcing geographic knowledge},
	year = {2013},
	pages = {65{\textendash}81},
	publisher = {Springer Netherlands},
	organization = {Springer Netherlands},
	author = {Johnson, Peter A and Sieber, Renee E}
}
