@article{Luo1993,
	title = {Bias and mean-square error for the kaplan-meier and nelson-aalen
	estimators},
	author = {Dali Luo and Sam C. Saunders},
	journal = {Journal of Nonparametric Statistics},
	number = {1},
	pages = {37--51},
	publisher = {Taylor \& Francis},
	url = {http://www.informaworld.com/10.1080/10485259308832570},
	volume = {3},
	year = {1993},
	biburl = {http://www.bibsonomy.org/bibtex/22b909b4dc473a5625483d74e6ff8a90b/smicha},
	issn = {1048-5252},
	keywords = {imported }
}