@TechReport{CEPII:1999-13,
author={Forum Franco Allemand},
title={Eastward Enlargement of the European Union},
year=1999,
month=September,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/en/publications/wp/abstract.asp?NoDoc=94},
number={1999-13},
}