@book { ProjectManagementinChina,
    title = "Project Management in China",
    subtitle = "Softskills as Succes Factors",
    author = "Christian {Wolff}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836607452",
    url = "https://m.diplom.de/document/229060"
}