Shanmugam,<br>
          Algorithm AS 310:
          Computing the Non-central Beta Distribution Function,<br>
          Applied Statistics,<br>
          Volume 46, Number 1, 1997, pages 146-156.
        </li>
        <li>
          H Frick,<br>
          Algorithm AS R84:
          A Remark on Algorithm AS 226:
          Computing Noncentral Beta Probabilities,<br>
          Applied Statistics,<br>
          Volume 39, Number 2, 1990, pages 311-312.
        </li>
        <li>
          Russell Lenth,<br>
