@book { DieSubjekttheoriedesRadikalenKonstruktivismus,
    title = "Die Subjekttheorie des Radikalen Konstruktivismus",
    author = "Rolf-Dieter {Dominicus}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836634571",
    url = "https://m.diplom.de/document/226924"
}