Josh Robinson article in Palaeo
‘Dental microwear of bovids from the Pliocene-Pleistocene transition in the lower Awash Valley, Ethiopia’ in Palaeogeography, Palaeoclimatology, Palaeoecology presents dental microwear analysis from both Ledi-Geraru and the Busidima Formation at Hadar adding another line of evidence for open, grassy environments during the time of early Homo. It can be found here: https://www.sciencedirect.com/science/article/pii/