@book { TheImpactof911onThailandsTourismIndustrybyFocusingontheFirstClassHotelMarketinBangkok,
    title = "The Impact of 9-11 on Thailand's Tourism Industry by Focusing on the First-Class Hotel Market in Bangkok",
    author = "Christian {Westbeld}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Germany",
    doi = "10.3239/9783832459079",
    url = "https://m.diplom.de/document/221360"
}