by Bechrakis, D.A., Sparis, P.D.
Published in IEEE transactions on energy conversion (01.06.2004)

by Botsaris, Pantelis N, Sparis, Panagiotis D
Published in Microprocessors and microsystems (01.07.1997)

by Sparis, Panagiotis D., Karkanis, Anastasios, Pergantis, Stelianos
Published in Computer methods in applied mechanics and engineering (1992)