?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ledent%2C+J.&rft.aulast=Ledent&rft.aufirst=J.&rft.issue=1&rft.volume=6&rft.date=1981&rft.issn=15526925&rft.atitle=A+framework+for+modeling+interregional+population+distribution+and+economic+growth&rft.title=International+Regional+Science+Review&rft.pages=85-90&rft.genre=article