@book { KonzeptzurLeistungsoptimierungvonCProgrammen,
    title = "Konzept zur Leistungsoptimierung von C++-Programmen",
    author = "Klaus {Erlenbach}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836614610",
    url = "https://m.diplom.de/document/225877"
}