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DUCATI 1260 V4 APOLLO 1963: DUCATI'S FIRST VEE-FOUR WAS A POLICE BIKE PROTOTYPE (The Motorcycle Files) (English Edition) eBook : Cathcart, Alan, Cox, Bruce, Nakamura, Kyoichi, Edge, Kel: Amazon.it: Kindle Store
La storia della Ducati Apollo, l'antenata della Panigale V4 - ItaliaOnRoad - Rivista Italia Motori ItaliaOnRoad – Rivista Italia Motori
DUCATI 1260 V4 APOLLO 1963: DUCATI'S FIRST VEE-FOUR WAS A POLICE BIKE PROTOTYPE (The Motorcycle Files) (English Edition) eBook : Cathcart, Alan, Cox, Bruce, Nakamura, Kyoichi, Edge, Kel: Amazon.it: Kindle Store