^ Primordial radionuclide ^ Used to date groundwater ^ a b c d e file Fission product ^ Formerly accustomed to outline the meter ^ Considered to decay by β−β− to 86Sr namu.wiki must assessment the security within your connection right before continuing. Ray ID: 791eb2f98eda1902 필자의 개인적인 취향이나 생각으로는 https://bookmarkzap.com/story13929561/considerations-to-know-about-max88