nd Georgi Boshnakov for spot test values from <a href="http://www.wolfram.com/products/mathematica/index.html" target="_top">Wolfram Mathematica</a>,
        and of course, to Eric Weissten for nurturing <a href="http://mathworld.wolfram.com" target="_top">Wolfram
        MathWorld</a>, an invaluable resource.
      </p>
<p>
        The Skew-normal distribution and Owen's t function were written by Benjamin
        Sobotta.
      </p>
<p>
        We thank Thomas Mang for persuading us to allow t distributio