zone urbaine (1) voyage (1) papier (1) modèle (1) méthodologie (1) méthode (1) abords (agglomération) (1) Instruction and study (1) Construction (1) Travel (1) Databases (1) Communication (1) Textbooks (1) Census (1) Methodology (1) Surveys (1) Textbooks (1) Personal narratives (1) Databases (1) Census (1) World Wide Web (1) States (1) Geographic information systems (1) Crack (Drug) (1) Databases (1) Global Positioning System (1) Weights and measures (1) Urbanization (1) Travel (1) Topographical surveying (1)