Athanasios Margaris Stavros Souravlas Efthimios Kotsialos Manos Roumeliotis Design and Implementation of Parallel Counterpropagation Networks Using MPI. 79-102 2007 18 Informatica, Lith. Acad. Sci. 1 http://www.vtex.lt/Informatica/htm/INFO665.htm db/journals/informaticaLT/informaticaLT18.html#MargarisSKR07