% Not in the source data: doi, abstract
@article{mula-2008-capacity-material-requirement,
  author = {{J. Mula} and {R. Poler} and {J.P. Garcia-Sabater}},
  title = {{Capacity and material requirement planning modelling by comparing deterministic and fuzzy models}},
  journal = {International Journal of Production Research},
  year = {2008},
  volume = {46},
  number = {20},
  pages = {5589--5606}
}