@misc{brown2020perspectivegroupingcategorization,
title={A Perspective on the Grouping and Categorization of Nanomaterials},
author={Scott C. Brown},
year={2020},
eprint={2101.03869},
archivePrefix={arXiv},
primaryClass={cond-mat.mtrl-sci},
url={https://arxiv.org/abs/2101.03869},
}