@article{Melino1990,
	title = {A simple approach to the identifiability of the proportional hazards model},
	author = {Angelo Melino and Glenn T. Sueyoshi},
	journal = {Economics Letters},
	month = {May},
	number = {1},
	pages = {63--68},
	url = {http://www.sciencedirect.com/science/article/B6V84-45BC78M-5F/2/a94804ba00aecf564026ba55b7142b6d},
	volume = {33},
	year = {1990},
	biburl = {http://www.bibsonomy.org/bibtex/22cf9af3b48476d27298892d63df85509/smicha},
	description = {Economics Letters},
	keywords = {imported }
}