{. Matthews, and {. Ingersent. Working paper / European Parliament, Directorate-General for Research Office for Official Publ. of the Europ. Communities, Luxembourg, Abridged multilingual ed edition, (2001)
{. Matthews, and {. Ingersent. Working paper / European Parliament, Directorate-General for Research Office for Official Publ. of the Europ. Communities, Luxembourg, Ms. compl. in May 2001 edition, (2001)