@article {42199,
	title = {Rural and urban passive monitoring of sulphur dioxide. SFM Network Project : Exposure assessment of air pollution from the forest industry},
	volume = {Project Report 1999-2},
	year = {1999},
	institution = {Sustainable Forest Management Network},
	url = {http://www.sfmnetwork.ca/docs/e/PR_1999-2.pdf},
	author = {Sembulak, Scott and Kindzierski, Warren}
}
