| Charge_Baudinet | This is the Baudinet-Robinet 1981 model (pdf) |
| Charge_Dmitriev | This is the Dmitriev and Nikolaev 1965 model (pdf) |
| Charge_Liu | This is the Liu model (pdf) |
| Charge_Sayer | This is the Sayer model (pdf) |
| Charge_Zdist | This is the Nikolaev and Dmitriev 1968 model (pdf) |
| ChargeStateDist | This the mother of ALL charge State model |
| Isotope | This class describe an isotope from The Ame2003 atomic mass evaluation |
1.4.4