@article {Boucneau1998EJSS,
	title = {{Integrating properties of soil map delineations into ordinary kriging}},
	journal = {European Journal of Soil Science},
	volume = {49},
	number = {2},
	year = {1998},
	pages = {213-229},
	author = {Boucneau, G. and van Meirvenne, M. and Thas, O. and Hofman, G.}
}