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doi.org
MARSH, Erik J. A Bayesian Re-Assessment of the Earliest Radiocarbon Dates from Tiwanaku, Bolivia. Radiocarbon. 2012-01, roč. 54, čís. 2, s. 203–218. Dostupné online [cit. 2023-06-20]. ISSN0033-8222. doi:10.2458/azu_js_rc.v54i2.15826. (anglicky)
phys.org
Rise of religion pre-dates Incas at Lake Titicaca. phys.org [online]. [cit. 2023-06-20]. Dostupné online. (anglicky)
worldcat.org
MARSH, Erik J. A Bayesian Re-Assessment of the Earliest Radiocarbon Dates from Tiwanaku, Bolivia. Radiocarbon. 2012-01, roč. 54, čís. 2, s. 203–218. Dostupné online [cit. 2023-06-20]. ISSN0033-8222. doi:10.2458/azu_js_rc.v54i2.15826. (anglicky)