Ladyman, James and Wiesner, Karoline. "Frontmatter". What Is a Complex System?, New Haven: Yale University Press, 2020, pp. i-iv. https://doi.org/10.12987/9780300256130-fm
Ladyman, James and Wiesner, Karoline. "Frontmatter" In What Is a Complex System?, i-iv. New Haven: Yale University Press, 2020. https://doi.org/10.12987/9780300256130-fm