Piero Manzoni: Line drawings / essays by Alma Ruíz, Angela Vettese. - Los Angeles : Ravenna : Museum of Contemporary Art ; : Danilo Montanari , 1995. - 48 p. : il. ; 24 cm. ISBN: 0 914357 39 5 Subjects--Personal Names: Manzoni, Piero----Exposicions. Universal Decimal Class. No.: C/Cat. Manzoni