Components in the evolution of urban systems: theory and empirical testing.
Medvedkova
O L
OL
D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005843:Geography; D005859:Germany, East; D011044:Poland; D011153:Population; D014586:USSR; D014505:Urban Population
Developed Countries; Eastern Europe; Europe; Geographic Factors; German Democratic Republic; Poland; Population; Spatial Distribution; Urban Spatial Distribution; Ussr