@article {Leopold2006Geoderma,
	title = {{Accounting for change of support in spatial accuracy assessment of modelled soil mineral phosphorous concentration}},
	journal = {Geoderma},
	volume = {130},
	number = {3-4},
	year = {2005},
	pages = {368-386},
	author = {Leopold, U. and Heuvelink, G.~B.~M. and Tiktak, A. and Finke, P.~A. and Schoumans, O.}
}