A chain of nuclide transformations starting with thorium (Bowman 2007).

 
 
  Part of: Baatar T, Kulikov EG (2020) Justification of VVER-1000 safety when using fuel compositions doped by protactinium and neptunium. Nuclear Energy and Technology 6(2): 99-104. https://doi.org/10.3897/nucet.6.55218