% Not in the source data: doi, abstract, volume, number, pages
@article{j2011the,
  author = {{Maheut J} and {Garcia-Sabater JP}},
  title = {{The operations & materials matrix and the operations & resources matrix, a new approach to solve the GMOP problem based on the Stroke concept; [La matriz de operaciones y materiales y la matriz de operaciones y recursos, un nuevo enfoque para resolver el problema GMOP basado en el concepto del stroke]}},
  journal = {Direccion y Organizacion. 45 46-57},
  year = {2011}
}