Benfer Jr. R, Laura L. A Stone Pillar of a Condor Marked the Equinox at the Site of Buena Vista, Peru at 2200 BC. JSA [Internet]. 2020 Mar. 21 [cited 2024 Jul. 16];5(2):123-50. Available from: https://journal.equinoxpub.com/JSA/article/view/17541