@article{DT250,
title = {The Nature of the Interlayer Interaction in
         Bulk and Few-Layer Phosphorus},
author = {Shulenberger, Luke and
          Baczewski, Andrew D. and
          Zhu, Zhen and
          Guan, Jie and
          Tomanek, David },
journal = {Nano Lett.},
volume = {15},
number = {12},
pages = {8170--8175},
year = {2015},
doi = {10.1021/acs.nanolett.5b03615},
URL = {http://dx.doi.org/10.1021/acs.nanolett.5b03615}
}