Geographia Polonica (1992) vol. 59

Sudden changes in demographic processes: Two applications of catastrophe theory

Ryszard Domański

Geographia Polonica (1992) vol. 59, pp. 55-68 | Full text

Ryszard Domański, Academy of Economics Poznań, Department of Spatial and Environmental Economics al. Niepodległości 10, 60-967 Poznań, Poland