info:oai:pure.iiasa.ac.at:4264info:ofi/fmt:xml:xsd:journalFeichtingerG.Feichtinger, G.GhezziL.L.Ghezzi, L.L.PiccardiC.Piccardi, C.15February 19950218-1274Chaotic behavior in an advertising diffusion modelInternational Journal of Bifurcation and Chaos255-263article