Mohamed, I., A. Zaharim, and M. Sahar Yahya. “Using Jeffreys’ Non-Informative Prior Distribution in Bilinear Time Series Modeling With an Application on Ulu Serting Rainfall Data”. Malaysian Journal of Science, vol. 23, no. 1, Apr. 2004, pp. 113-8, http://jice.um.edu.my/index.php/MJS/article/view/8502.