@article {ricker2013tourism,
	title = {Tourism and environmental change in Barbados: gathering citizen perspectives with volunteered geographic information (VGI)},
	journal = {Journal of Sustainable Tourism},
	volume = {21},
	year = {2013},
	pages = {212{\textendash}228},
	publisher = {Taylor \& Francis Group},
	author = {Ricker, Britta A and Johnson, Peter A and Sieber, Renee E}
}
