Lal, D.; Jull, A.J.T. (2001). „In-situ cosmogenic Andoza:Chem: production and examples of its unique applications in studies of terrestrial and extraterrestrial processes“. Radiocarbon. 43-jild, № 2B. 731–742-bet. Bibcode:2001Radcb..43..731L. doi:10.1017/S0033822200041394.
Reimer, Paula J.; Bard, Edouard; Bayliss, Alex; Beck, J. Warren; Blackwell, Paul G.; Ramsey, Christopher Bronk; Buck, Caitlin E.; Cheng, Hai; Edwards, R. Lawrence (2013). „IntCal13 and Marine13 Radiocarbon Age Calibration Curves 0–50,000 Years cal BP“. Radiocarbon. 55-jild, № 4. 1869–1887-bet. Bibcode:2013Radcb..55.1869R. doi:10.2458/azu_js_rc.55.16947.
Lal, D.; Jull, A.J.T. (2001). „In-situ cosmogenic Andoza:Chem: production and examples of its unique applications in studies of terrestrial and extraterrestrial processes“. Radiocarbon. 43-jild, № 2B. 731–742-bet. Bibcode:2001Radcb..43..731L. doi:10.1017/S0033822200041394.
Reimer, Paula J.; Bard, Edouard; Bayliss, Alex; Beck, J. Warren; Blackwell, Paul G.; Ramsey, Christopher Bronk; Buck, Caitlin E.; Cheng, Hai; Edwards, R. Lawrence (2013). „IntCal13 and Marine13 Radiocarbon Age Calibration Curves 0–50,000 Years cal BP“. Radiocarbon. 55-jild, № 4. 1869–1887-bet. Bibcode:2013Radcb..55.1869R. doi:10.2458/azu_js_rc.55.16947.