Aufsatz(elektronisch)#12022The Impact of Manufacturer Online Direct Channel Entry on Incumbent Retailers' Marketing Mix and SalesVan Crombrugge, Michiel; Breugelmans, Els; Cleeren, Kathleen; Neslin, ScottVan Crombrugge, Michiel; Breugelmans, Els; Cleeren, Kathleen; Neslin, ScottOpen Access