1. C. Lombardi, A. Mazzola, M. Ricotti, Analysis of a Pu–Th Fuel Cycle for the Reduction of the Plutonium Stockpiles, In: Proceedings of ICONE-5: Fifth International Conference on Nuclear Engineering, Nice, France, 26–30 May 1997
2. F. Vettraino, C. Lombardi, A. Mazzola, E. Marmo, G. Magnani, G. Zappa, Inert Matrix Fuels for Plutonium Disposition in PWRs, In: Proceedings of ICONE-6 Sixth International Conference on Nuclear Engineering, San Diego, CA, USA, 10–15 May 1998
3. F. Vettraino, C. Lombardi, E. Padovani, M.E. Ricotti, A. Mazzola, Innovative U-free Fuels for Weapons Plutonium Disposition in Current LWRs, In: Proceedings of Forum of the UNESCO International School for Peace on Nuclear Disarmament, Safe Disposal of Nuclear Materials or New Weapons Developments?, Villa Erba, Cernobbio, Como, Italy, 2–4 July 1998, UNESCO, in press
4. IAEA-TECDOC-941, Recycling of Pu and U in Water Reactor Fuel, May 1997
5. AEN/NEA, Management of Separated Plutonium, OECD, 1997