@book { CopingSystemsforEmployeeTurnover,
    title = "Coping Systems for Employee Turnover",
    author = "Sebastian {Reiche}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832463861",
    url = "https://m.diplom.de/document/221819"
}