Gas- and particle-phase distribution of polycyclic aromatic hydrocarbons in two-stroke, 50-cm3 moped emissions, Spezzano, Pasquale, Picini P., and Cataldi D. , Atmospheric Environment, Volume 43, Number 3, p.539-545, (2009)

Particle-phase polycyclic aromatic hydrocarbon emissions from non-catalysed, in-use four-stroke scooters, Spezzano, Pasquale, Picini P., Cataldi D., Messale F., Manni C., and Santino D. , Environmental Monitoring and Assessment, Volume 133, Number 1-3, p.105-117, (2007)

Particulate Polycyclic Aromatic Hydrocarbons and Particulate Matter Emissions from Two-Wheel Motor Vehicles, Picini, P., Spezzano Pasquale, Cataldi D., Messale F., Manni C., Santino D., and Donato E. , SAE Technical Papers, Volume 2005-September, (2005)