?url_ver=Z39.88-2004&rft_id=10.1068%2Fa120125&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Gordon%2C+P.&rft.aulast=Gordon&rft.aufirst=P.&rft.issue=2&rft.volume=12&rft.date=February+1980&rft.issn=0308-518X&rft.atitle=Modeling+the+Dynamics+of+a+System+of+Metropolitan+Areas%3A+A+Demoeconomic+Approach&rft.title=Environment+and+Planning+A&rft.pages=125-133&rft.genre=article