"Studies in Nonlinear Dynamics & Econometrics", 13.3 (2009): -. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/snde.2009.13.3/issue-files/snde.2009.13.issue-3.xml

Studies in Nonlinear Dynamics & Econometrics (2009), 13(3), pp. -. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/snde.2009.13.3/issue-files/snde.2009.13.issue-3.xml

Studies in Nonlinear Dynamics & Econometrics. 2009. 13(3): -. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/snde.2009.13.3/issue-files/snde.2009.13.issue-3.xml