“…It is worth taking into account the results obtained by Hassan et al [3], Camanho and Matthews [4], Kelly and Hallström [5], Li et al [6], Lie et al [7], Ekh et al [8], Ekh and Schön [9], Vangrimde and Boukhili [10,11], Xiao and Ishikawa [12], Ireman [13], Yanet al [14], Starikov and Schön [15].…”