Spatial Distribution of Manufacturing Activity and Its Determinants: A Comparison of Three Small European Countries
Salvador Barrios, Luisito Bertinelli, Eric Strobl, António Carlos Teixeira
Regional Studies, vol. 43, 2009, p. 721-738.

The Dynamics of Agglomeration: Evidence from Ireland and Portugal
Salvador Barrios, Luisito Bertinelli, Eric Strobl, António Carlos Teixeira
Journal of Urban Economics, vol. 57, 2005, p. 170-188.