@book { HomenajeaRodolfoGrossmann,
    title = "Homenaje a Rodolfo Grossmann",
    subtitle = "Festschrift zu seinem 85. Geburtstag",
    author = "Sabine {Horl} and José M. {Navarro de Andriaensen} and Hans-Karl {Schneider}",
    year = "1977",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1069881"
}