@book { LibrettoPartiturSzeneStudienzumMusiktheater,
    title = "Libretto – Partitur – Szene. Studien zum Musiktheater ",
    subtitle = "Festschrift für Jürgen Maehder zum 70. Geburtstag",
    author = "Thomas {Betzwieser} and Richard {Erkens} and Arnold {Jacobshagen} and Peter {Ross}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18381",
    url = "https://www.peterlang.com/document/1181333"
}