@article{O'Neill1991,
	title = {The Inverse Proportional Hazards Model},
	author = {Terence J. O'Neill},
	journal = {Statistics \& Probability Letters},
	month = {Aug},
	number = {2},
	pages = {125--129},
	url = {http://www.sciencedirect.com/science/article/B6V1D-45DHJ34-5/1/efd9dc9e9e1572feaa41efa7ec655b07},
	volume = {12},
	year = {1991},
	biburl = {http://www.bibsonomy.org/bibtex/259acd39b76388f70204513bf018ef2dd/smicha},
	keywords = {Proportional hazards }
}