@article {robertson_winters_2015,
	title = {Winters too warm to skate? Citizen-science reported variability in availability of outdoor skating in Canada},
	journal = {The Canadian Geographer/Le G{\'e}ographe canadien},
	volume = {59},
	year = {2015},
	pages = {383{\textendash}390},
	author = {Robertson, Colin and McLeman, Robert and Lawrence, Haydn}
}
