@TechReport{CEPII:2014-26,
author={Charlotte Emlinger and Sophie Piton},
title={World Trade Flows Characterization: Unit Values, Trade Types and Price Ranges},
year=2014,
month=December,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/en/publications/wp/abstract.asp?NoDoc=7577},
number={2014-26},
}