Lokalita Engare Sero s prastarými otisky lidských chodidel (Liutkus-Pierce, C.M., et al., Radioisotopic age, formation, and preservation of Late Pleistocene human footprints at Engare Sero, Tanzania, Palaeogeogr. Palaeoclimatol. Palaeoecol. (2016), http://dx.doi.org/10.1016/j.palaeo.2016.09.019).

Lokalita Engare Sero s prastarými otisky lidských chodidel (Liutkus-Pierce, C.M., et al., Radioisotopic age, formation, and preservation of Late Pleistocene human footprints at Engare Sero, Tanzania, Palaeogeogr. Palaeoclimatol. Palaeoecol. (2016), http://dx.doi.org/10.1016/j.palaeo.2016.09.019).