@book { EntwurfaktiverzeitkontinuierlicherFilterinBICMOSTechnologie,
    title = "Entwurf aktiver zeitkontinuierlicher Filter in BICMOS-Technologie",
    author = "Matthias {Hartung}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832421960",
    url = "https://m.diplom.de/document/218021"
}