@book { MarketingKonzeptionfrWellnessKreuzfahrteninKroatien, title = "Marketing-Konzeption für Wellness-Kreuzfahrten in Kroatien", author = "Aleksandar {Lukin}", year = "2003", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783832465681", url = "https://m.diplom.de/document/221962" }