1. Regional productivity differences in Swedish manufacturing;Aberg;Regional Science and Urban Economics,1973
2. Efficiency in the urban economy, a general equilibrium framework;Abouchar;Regional Science and Urban Economics,1974
3. The “courbe des population”, a further analysis;Allen;Oxford Bulletin of Statistics,1954
4. Location and Land Use;Alonso,1964
5. Urban and regional imbalances in economic development;Alonso;Economic Development and Cultural Change,1968