PDF(695 KB)
Tempor al Var iations in Par ameter s of Gr avity Model: an Analysis on China's Inter - city Railway Passenger Flows
DAI Teqi, LIU Yi
PROGRESS IN GEOGRAPHY ›› 2008, Vol. 27 ›› Issue (4) : 110-116.
PDF(695 KB)
PDF(695 KB)
Tempor al Var iations in Par ameter s of Gr avity Model: an Analysis on China's Inter - city Railway Passenger Flows
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