@book { RetentionManagementbeiHighPotentialsinmittelstndischenUnternehmen,
    title = "Retention Management bei High Potentials in mittelständischen Unternehmen",
    author = "Sven {Rebbert}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842820371",
    url = "https://m.diplom.de/document/228618"
}