@book{4457,
	author = {Lindgren, B.W. and Mcelrath, G.W.},
	title = {Introducao à estadística.},
	publisher = {Ao Livro Técnico, },
	year = {1972.},
	address = {Rio de Janeiro : },
	edition = {1ra.ed.},
	note = {Incluye bibliografía.}
}