@book{90653,
	author = {DOWSON, S.},
	title = {CERTAINTIES WITHOUT CENTRES?. A DISCUSSION PAPER ON DAY SERVICES FOR PEOPLE WHO HAVE LEARNING DIFFICULTIES},
	publisher = {VALUES INTO ACTION},
	year = {1998},
	address = {Londres},
	url = {http://www.siis.net/documentos/Digitalizados/92522_Certainties without centres.pdf}
}