@book{8653,
	author = {Kalbfleisch, J. D. and Prentice, Ross L.},
	title = {The statistical analysis of failure time data /},
	publisher = {J. Wiley,},
	year = {c2002.},
	address = {Hoboken, N.J. :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/bios/wiley044/2002068965.html}
}