@article{DT281,
   title = {Superior hardness and stiffness of diamond
            nanoparticles},
   author = {Alexander Quandt and Igor Popov and
             David Tom\'{a}nek},
   journal = {Carbon},
   volume = {162},
   pages = {497--501},
   year = {2020},
   issn = {0008-6223},
   doi = {https://doi.org/10.1016/j.carbon.2020.02.076},
   url = {http://www.sciencedirect.com/science/article/pii/S0008622320302244},
}