@article{ZhaoWangJiangetal.2013,
  author    = {Jun-Hua Zhao and L. Wang and Jin-Wu Jiang and Z. Wang and Wanlin Guo and Timon Rabczuk},
  title     = {A comparative study of two molecular mechanics models based on harmonic potentials},
  journal   = {Journal of Applied Physics},
  year      = {2013},
}