  <td>A. Klimke. Efficient construction of hierarchical polynomial sparse grid interpolants using the fast discrete cosine transform. Technical Report IANS Preprint 2006/007, Universit&auml;t Stuttgart, 2006.</td>
			</tr>
			<tr>
        <td valign="top">[7]</td>
        <td>M. Hegland. Adaptive sparse grids. In K. Burrage and R. B. Sidje, editors, <i>Proceedings of the 2001 International conference on Computational Techniques and Applications</i>, University of Queensland, volume 44 of ANZIAM Journal, pag