@TechReport{CEPII:2016-30,
author={Camilo Umana Dajud},
title={Do Visas Hinder International Trade in Goods?},
year=2016,
month=December,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/en/publications/wp/abstract.asp?NoDoc=9818},
number={2016-30},
}