Province of Palermo (Sicily, Italy), "Piccolo Madonie" road circuit, May 16, 1971. Nino Vaccarella and Toine Hezemans' #5 Alfa Romeo 33/3 (Prototype 3-litre category) of Autodelta S.p.A., sponsored Royal Dutch Shell, in a pit stop during the victorious 1971 Targa Florio.
LAURENT
<cite style="font-style:normal">Franco Lini (1994). "Addio Chitone". <i>Autosprint</i> (28): 15.</cite>