monde (1) voyage (1) statistiques (1) société (humaine) (1) politique (1) transport de voyageurs (1) papier (1) modélisation (1) analyse (1) énergie (1) émission (1) sujet (1) automobile (1) Travel (1) Methods (1) Statistics (1) Internet (1) Year (1) Wealth (1) Vision (1) Travel (1) Transports (1) Transportation--Passenger traffic (1) Transportation (1) Struggle (1) Statistics (1) Scientists (1) Prediction theory (1) Power resources (1) Power (Mechanics) (1)