?url_ver=Z39.88-2004&rft_id=10.1016%2F0960-0779(94)00208-8&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Dawid%2C+H.&rft.aulast=Dawid&rft.aufirst=H.&rft.issue=1&rft.volume=5&rft.date=January+1995&rft.issn=1873-2887&rft.atitle=Complex+optimal+policies+in+an+advertising+diffusion+model&rft.title=Chaos%2C+Solitons+and+Fractals&rft.pages=45-53&rft.genre=article