@book{2701,
	author = {Goovaerts, Pierre.},
	title = {Geostatistics for natural resources evaluation /},
	publisher = {Oxford University Press,},
	year = {1997.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0604/97002521-d.html}
}