Cavosie, Aaron J.; Valley, John W.; Wilde, Simon A. (2007). "Chapter 2.5 The Oldest Terrestrial Mineral Record: A Review of 4400 to 4000 Ma Detrital Zircons from Jack Hills, Western Australia". Developments in Precambrian Geology. 15: 91-111. doi:10.1016/S0166-2635(07)15025-8. ISBN9780444528100.
Cohen, Kim. "New edition of the Chart - 2022-10". International Commission on Stratigraphy. International Commission on Stratigraphy. 14 Ekim 2022 tarihinde kaynağından arşivlendi. Erişim tarihi: 16 Ocak 2023.
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Cohen, Kim. "New edition of the Chart - 2022-10". International Commission on Stratigraphy. International Commission on Stratigraphy. 14 Ekim 2022 tarihinde kaynağından arşivlendi. Erişim tarihi: 16 Ocak 2023.