1. Arndt, A. C., and L. Horovitz. 2022. “Eine Chronologie der nuklearen Anspielungen Moskaus im Krieg gegen die Ukraine [A chronology of Moscow’s nuclear innuendos in the war against Ukraine].” SWP Arteitspapier, No. 2, May. https://www.swp-berlin.org/publications/products/arbeitspapiere/Chronologie_der_Nukleardrohungen_Russlands_im_Krieg_gegen_die_Ukraine_-_Arbeitspapier.pdf.
2. The War in Ukraine and Global Nuclear Order
3. Non-Proliferation and State Succession
4. Budjeryn, M. 2022. “Was Ukraine Wrong to Give up Its Nukes?” Foreign Affairs, April 8. https://www.foreignaffairs.com/articles/russia-fsu/2022-04-08/was-ukraine-wrong-give-its-nukes.