@book { HeuristsandBiaseswithHabitualEntrepreneurs,
    title = "Heurists and Biases with Habitual Entrepreneurs",
    author = "Philipp {Kirchner}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842809741",
    url = "https://m.diplom.de/document/228263"
}