Models for the LE-FDTD resistive voltage source spanning multiple cells. - Luis R. J. Costa; Keijo Nikoskinen; Martti Valtonen (ECCTD, 2007)

Applying the Problem-Based Learning Approach to Teach Elementary Circuit Analysis. - Luis R. J. Costa; Mikko Honkala; Anu Lehtovuori (IEEE Trans. Educ., 2007)