A Design of New Brands of Martenzite Steels by Artificial Neural Networks - LUKARSKI, Yavor; POPOV, Sasho; TONCHEV, Nikolay; KOPRINKOVA-HRISTOVA, Petia; POPOVA, Silvia (The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2011)