@TechReport{CEPII:2008-27,
author={Thierry Mayer and Keith Head and John Ries},
title={The Erosion of Colonial Trade Linkages after Independence },
year=2008,
month=December,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=1048},
number={2008-27},
}