@book{205664,
	author = {Helsel, Dennis R. and Helsel, Dennis R.},
	title = {Statistics for censored environmental data using Minitab and R /},
	publisher = {Wiley,},
	year = {©2012.},
	series = {Wiley series in statistics in practice},
	address = {Hoboken, N.J. :},
	edition = {2nd ed.},
	note = {Revised edition of: Nondetects and data analysis / Dennis R. Helsel. 2005.},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9781118162729}
}