route (2) extraction (2) abords (agglomération) (2) radon (1) papier (1) mesure (méthode analytique) (1) information (1) reconnaissance de formes (1) méthode (1) Afrique (1) Exploitation (1) Values (1) South Africa (1) Radon (1) Pattern perception (1) Paper (1) Metropolitan areas (1) Measurement (1) Decision making (1) Cities and towns (1) Properties (1) Shapes (1) Measurement (1)