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GRAVITY
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keywords:(GRAVITY)
Urban gravity in the global container shipping network
Toward a smaller world. The distance puzzle and international border for tourism
Systematic comparison of trip distribution laws and models
Sample size needed for calibrating trip distribution and behavior of the gravity model
Gravity models for dynamic transport planning: Development and implementation in urban networks
Business connectivity, air transport and the urban hierarchy: A case study in East Asia
Border effects for domestic travel in China during COVID-19 pandemic
A model to estimate the origin–destination matrix for soybean exportation in Brazil