@incollection{2012a,
  title = {A Supply Chain Operations Lot-Sizing and Scheduling Model with Alternative Operations},
  author = {Maheut, Julien and Garcia-Sabater, José Pedro and Mula, Josefa},
  booktitle = {Industrial Engineering: Innovative Networks},
  pages = {309--316},
  publisher = {Springer London},
  doi = {10.1007/978-1-4471-2321-7_35},
  year = {2012}
}