@TechReport{CEPII:1995-10,
author={Philippe Martin and Gianmarco Ottaviano},
title={The Geography of Multi-Speed Europe},
year=1995,
month=November,
institution={CEPII},
type={Working Papers},
url={https://www.cepii.fr/CEPII/en/publications/wp/abstract.asp?NoDoc=31},
number={1995-10},
}