metallographic studiesExamination of Fuel Elements Irradiated in the Reactor of the World’s First NPP After Long-Term Storage 9/23/2022 2022 - #03 Nuclear materials Ivanov S.N. Porollo S.I. Shulepin S.V. Baranayev Yu.D. Timofeev V.F. Kharizomenov Yu.V.