Microfossils in calculus demonstrate consumption of plants and cooked foods in Neanderthal diets (Shanidar III, Iraq; Spy I and II, Belgium)DOI: info:10.1073/pnas.1016868108v. 108No. 2National Academy of Sciences (U.S.)486–491
Henry, Amanda G., Brooks, Alison S., and Piperno, Dolores R. 2011. "Microfossils in calculus demonstrate consumption of plants and cooked foods in Neanderthal diets (Shanidar III, Iraq; Spy I and II, Belgium)." Proceedings of the National Academy of Sciences of the United States of America, 108, (2) 486–491. https://doi.org/10.1073/pnas.1016868108.