@article {44900,
	title = {Spatial distribution of carbon sources and sinks in Canada{\textquoteright}s forests based on remote sensing},
	volume = {55},
	year = {2003},
	pages = {622-642},
	publisher = {Tellus Series B - Chemical and Physical Meteorology},
	url = {http://faculty.geog.utoronto.ca/Chen/Chen{\textquoteright}s\%20homepage/PDFfiles/p71_chen_tellus_b55.pdf},
	author = {Chen, J. M. and Ju, W. and Cihlar, J. and Price, D. and Liu, J. and Chen, W., and et al}
}
