Hadley, Michael. “Ulrich Suerbaum, Ulrich Broich, and Raimund Borgmeier, Science Fiction: Theorie Und Geschichte, Themen Und Typen, Form Und Weltbild”. International Fiction Review 9, no. 1 (January 1, 1982). Accessed August 17, 2024. https://journals.lib.unb.ca/index.php/IFR/article/view/13552.