A. Yu. Smirnov; V. D. Borisevich; A. Sulaberidze (July 2012). «Evaluation of specific cost of obtainment of lead-208 isotope by gas centrifuges using various raw materials». Theoretical Foundations of Chemical Engineering46 (4): 373-378. S2CID98821122. doi:10.1134/S0040579512040161.
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Arevalo, Ricardo; McDonough, William F.; Luong, Mario (2009). «The K-U ratio of the silicate Earth: Insights into mantle composition, structure and thermal evolution». Earth and Planetary Science Letters278 (3–4): 361-369. Bibcode:2009E&PSL.278..361A. doi:10.1016/j.epsl.2008.12.023.
Hult, Mikael; Elisabeth Wieslander, J.S.; Marissens, Gerd; Gasparro, Joël; Wätjen, Uwe; Misiaszek, Marcin (2009). «Search for the radioactivity of 180mTa using an underground HPGe sandwich spectrometer». Applied Radiation and Isotopes67 (5): 918-21. PMID19246206. doi:10.1016/j.apradiso.2009.01.057.
A. Yu. Smirnov; V. D. Borisevich; A. Sulaberidze (July 2012). «Evaluation of specific cost of obtainment of lead-208 isotope by gas centrifuges using various raw materials». Theoretical Foundations of Chemical Engineering46 (4): 373-378. S2CID98821122. doi:10.1134/S0040579512040161.