Calibrating & testing a gravity model for any size urban area.
Chicago-čujuhus (17. p.)Calibrating & Testing a Gravity Model for Any Size Urban Area.
MLA-čujuhus (9. p.)Calibrating & Testing a Gravity Model for Any Size Urban Area.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.