>list_file</i>, <i>product_prefix</i> )
      </blockquote>
      where
      <ul>
        <li>
          <i>list_file</i> is the name of the file containing the list of filename
          prefixes that can be used to locate the X, W and R files
          of each 1D quadrature rule.
        </li>
        <li>
          <i>product_prefix</i> is the prefix to be used when writing out the X, W and R
          files of the computed multidimensional product rule.
        </li>
      </ul>
    </p>

    <p>
     