1. The agglomeration process in urban growth;Bergsman;Urban Studies,1972
2. Determinants of metropolitan growth, 1965–1970;Bergsman,1972
3. Metropolitan area definition: A re-evaluation of concept and statistical practice;Berry;U. S. Department of Commerce, Bureau of the Census, Working Paper 28,1969
4. Some empirical evidence of the strengths of linkages between groups of related industries in urban-regional complexes;Czamanski,1970
5. Agglomeration and footlooseness: The location of economic activities among metropolitan areas;Healy,1972