@article{Antonio1989,
	title = {A class ol qualitatively eobust estimates},
	author = {Ctjevas Antonio and Sanz Paloma},
	journal = {Statistics},
	number = {4},
	pages = {509--520},
	publisher = {Taylor \& Francis},
	url = {http://www.informaworld.com/10.1080/02331888908802200},
	volume = {20},
	year = {1989},
	biburl = {http://www.bibsonomy.org/bibtex/2a4d4052ac961e8ff45fe0cdac43ad522/smicha},
	issn = {0233-1888},
	keywords = {imported }
}