@book{35519,
	author = {Lee, Elisa T.},
	title = {Statistical methods for survival data analysis /},
	publisher = {Wiley,},
	year = {c1992.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/onix04/91027926.html}
}