@TechReport{CEPII:2003-19,
author={Nina Kousnetzoff},
title={Methodological Tools for SIA},
year=2003,
month=December,
institution={CEPII},
type={Working Papers},
url={https://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=180},
number={2003-19},
}