@TechReport{CEPII:2009-22,
author={Houssein Guimbard and David Laborde Debucquet and Cristina Mitaritonna},
title={A Picture of Tariff Protection Across the World in 2004 MAcMap-HS6, Version 2},
year=2009,
month=September,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/en/publications/wp/abstract.asp?NoDoc=1479},
number={2009-22},
}