@article {abt_design_1999,
	title = {Design and analysis for modeling and predicting spatial contamination},
	journal = {Mathematical Geology},
	volume = {31},
	number = {1},
	year = {1999},
	pages = {1{\textendash}22},
	url = {http://link.springer.com/article/10.1023/A:1007504329298},
	author = {Abt, Markus and Welch, William J. and Sacks, Jerome}
}
