@TechReport{CEPII:2006-18,
author={Michel Fouquin and Laurence Nayman and Laurent Wagner},
title={Vertical Production Networks: Evidence from France},
year=2006,
month=November,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=806},
number={2006-18},
}