@article(2018-fallback-variable-history-nnlms-efficient-nnlms-by-precomputation-and-stochastic-training,
  author = {Francisco Julian Zamora Martínez and Salvador España Boquera and María José Castro Bleda and Palacios Corella},
  title = {Fallback Variable History NNLMs: Efficient NNLMs by precomputation and stochastic training},
  year = {2018},
  journal = {PLOS ONE},
  doi = {10.1371/journal.pone.0200884}
)