B. André, H. Wolfgang, G. Friedemann, and R. M.. COMPEL : the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 24 (2):
468-479(2005)
B. André, H. Wolfgang, and R. M.. COMPEL : the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 23 (4):
859-865(2004)