z, Irene Stegun,<br>
          Handbook of Mathematical Functions,<br>
          National Bureau of Standards, 1964,<br>
          ISBN: 0-486-61272-4,<br>
          LC: QA47.A34.
        </li>
        <li>
          Robert Banks,<br>
          Slicing Pizzas, Racing Turtles, and Further Adventures in Applied Mathematics,<br>
          Princeton, 1999,<br>
          ISBN13: 9780691059471,<br>
          LC: QA93.B358.
        </li>
        <li>
          Frank Benford,<br>
          The Law of Anomalous Numb