Analysis of the 11-year Record (1987-1997) of Air Pollution measurements in Athens, Greece. Part II: Photochemical air pollutants by Kalabokas P.D., Viras L.G. and Repapis C.C.
Organic atmospheric pollutants: polycyclic hydrocarbons from coal atmospheric fluidised bed combustion (AFBC) by Mastral M., Callen M.S., Murillo R. and Garcia T.