@article {48,
	title = {Unstable motivic homotopy categories in Nisnevich and cdh-topologies},
	journal = {J. Pure Appl. Algebra},
	volume = {214},
	year = {2010},
	pages = {1399{\textendash}1406},
	issn = {0022-4049},
	doi = {10.1016/j.jpaa.2009.11.005},
	url = {http://dx.doi.org/10.1016/j.jpaa.2009.11.005},
	author = {Voevodsky, Vladimir}
}