“…(1) Z T = 6-20: 12 C, 16 O, 20 Ne, 24 Mg, 28 Si, 32 S, 40 Ar, 40 Ca, 42 Ca, 44 Ca, and 48 Ca; (2) Z T = 22-28: 46 Ti, 48 Ti, 50 Ti, 50 Cr, 52 Cr, 54 Cr 54 Fe, 56 Fe, 58 Ni, 60 Ni, 62 Ni, and 64 Ni; (3) Z T = 40-68: 90 Zr, 98 Mo, 100 Mo, 144 Sm, 148 Sm, 150 Sm, 152 Sm, 154 Sm, 160 Gd, 164 Dy, 166 Er, and 168 Er; (4) Z T = 70-92: 172 Yb, 174 Yb, 176 Yb, 178 Hf, 180 Hf, 182 W, 184 W, 192 Os, 208 Pb, 232 Th, and 238 U.…”