Phytoliths indicate significant arboreal cover at Sahelanthropus type locality TM266 in northern Chad and a decrease in later sites Patrick Vignaud , Hassane Taisso Mackaye et al. • 2017
Grass inflorescence phytoliths of useful species and wild cereals from sub-Saharan Africa Doris Barboni , Alice Novello • 2015
Autochthony and orientation patterns in Olduvai Bed I: a re-examination of the status of post-depositional biasing of archaeological assemblages from FLK North (FLKN) Agness Gidna , Gail M. Ashley et al. • 2012