Small is big: The microfossil perspective on human-plant interactionDOI: info:10.1073/pnas.0700225104v. 104No. 9National Academy of Sciences (U.S.)3021–3022
Sandweiss, Daniel H. 2007. "Small is big: The microfossil perspective on human-plant interaction." Proceedings of the National Academy of Sciences of the United States of America, 104, (9) 3021–3022. https://doi.org/10.1073/pnas.0700225104.