@book{12818,
	author = {Rocha, Ruth, 1931 and Roth, Otávio/Coelho, Raquel/Abello Rovai, Antonio},
	title = {"El libro del lápiz /},
	publisher = {Melbooks,},
	year = {1992},
	series = {El hombre y la comunicación},
	address = {Sao Paulo :}
}