@article {Hansen2000IJRS,
	title = {{Global land cover classification at 1km resolution using a decision tree classifier}},
	journal = {International Journal of Remote Sensing},
	volume = {21},
	year = {2000},
	pages = {1331-1365},
	author = {Hansen, M. and DeFries, R. and Townshend, J.R.G. and Sohlberg, R.}
}