Introduction. Ternary Systems: Ag-Bi-Cu, Ag-Bi-Sn, Ag-Cu-In, Ag-Cu-Mn, Ag-Cu-Ni, Ag-Cu-P, Ag-Cu-Sn, Ag-Cu-Ti, Ag-Cu-Zn, Ag-In-Sb, Ag-In-Sn, Ag-Pb-Sn, Ag-Sn-Zn, Au-Bi-Sn, Au-Cu-Sn, Au-In-Sn, B-Cr-Ni, Bi-In-Sb, Bi-In-Sn, Bi-Sn-Zn, Co-Cu-Mn, Cr-Ni-P, Cr-Ni-Si, Cu-In-Sn, Cu-Mn-Ni, Cu-Mn-Sn, Cu-Ni-Sn, Cu-Ni-Zn, Cu-P-Sn, Cu-Pb-Sn, Cu-Pd-Sn, Cu-Si-Zn, Cu-Sn-Ti, Cu-Sn-Zn, Cu