6Bjork T. , C hristensen B. J., 1999, Interest rate dynamics and consistent forward rate curves, Mathematical Finance,9 (4) ,323 -348.
7Bjork, T. , 2001, A Geometric View of Interest Rate Theory, In E.. Jouini, J. Cvitanic, and M. Musiela, eels. , Option Pricing, Interest Rates and Risk Management, Cambridge : Cambridge University Press, 2001.
8De Pooter, 2007, Examining the Nelson-Siegel Class of Term Structure Models, Tinbergen Institute Discussion paper, No. 2007 -043/4.
9Diebold. F.X. and Li C. .2003, Forecasting the term structure of government bond yields, NBER work paper 10048, http ://www. nber. org/papers/ w1004-8.
10Filipovic D. , 1999, A note on the Nelson-siegel family, Mathematical Finance,9,349 - 359.
