Aimola, G. et al. 2014. Final Pleistocene and Early Holocene at Sitio do Meio, Piauí, Brazil: Stratigraphy and comparison with Pedra Furada. Journal of Lithic Studies. 1, 2 (Sep. 2014), 5–24. DOI:https://doi.org/10.2218/jls.v1i2.1125.