ong>13</strong>, 127-136.</p></li>
<li><p>Rupert D. and Wand M.P. (1994). Multivariate locally weighted least squares regression. <em>The Annals of Statistics</em>, <strong>22</strong>, 1346-1370.</p></li>
<li><p>Shapiro A. and Botha J.D. (1991). Variogram fitting with a general class of conditionally non-negative definite functions. <em>Computational Statistics and Data Analysis</em>, <strong>11</strong>, 87-96.</p></li>
<li><p>Wand M.P. (1994). Fast Computation of Multivariate Kernel Estimators. <em>Journ