Sánchez, E., y C. Vinante. «The Durbin-Watson Statistic to Estimate the Instantaneous Variance of Non-Stationary Stochastic Processes With ARMA Structure for Noise Process». Rev. Téc. Fac. Ing. Univ. Zulia, Vol. 24, n.º 1, 1, http://www.produccioncientifica.luz.edu.ve/index.php/tecnica/article/view/5727.