New fossils of Australopithecus sediba reveal a nearly complete lower back - Williams, Scott A.; Cody Prang, Thomas; Meyer, Marc R.; Nalley, Thierra K.; Van der Merwe, Renier; Yelverton, Christopher; García-Martínez, Daniel; Russo, Gabrielle A.; Ostrofsky, Kelly R.; Spear, Jeffrey; Eyre, Jennifer; Grabowski, Mark; et al. (2021)