@book { ChallengesandBestPracticesinInternationalProjects,
    title = "Challenges and Best Practices in International Projects",
    author = "Julia {Wimmers} and Claudia {Optiz}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640753659",
    url = "https://www.hausarbeiten.de/document/161643"
}