@book{10371,
	author = {WILKIN, D. and THOMPSON, C.},
	title = {USER'S GUIDE TO DEPENDENCY MEASURES FOR ELDERLY PEOPLE},
	publisher = {JOINT UNIT FOR SOCIAL SERVICES RESEARCH},
	year = {1989},
	address = {SHEFFIELD (UK)},
	url = {http://www.siis.net/documentos/Digitalizados/10491_Users' guide to dependency.pdf}
}