@incollection{joosten2013fractal,
  title = "Fractal Dimension of Space-time Diagrams and the Runtime Complexity of Small Turing Machines",
  author = "J. J. Joosten and F. Soler-Toscano and H. Zenil",
  year = "2013",
  address = "DOI",
  booktitle = "Machines, Computations and Universality ({MCU} 2013), {EPTCS} 128",
  editor = "T. Neary and M. Cook",
  pages = "29-30",
  publisher = "10",
}