% Not in the source data: doi, abstract, volume, number, pages
@article{tienda2011a,
  author = {Tienda, JLP and Marco, JB and Romano, CA and Gil, SD},
  title = {{A matrix algorithm RUPSP/GRUPSP no splitting allowed for production planning under Lean Construction methodology based on production processes}},
  journal = {Revista de la Construccion. 10 (2): 90-103},
  year = {2011}
}