@article{delaCalle:57731,
      author        = "de la Calle, C. and Fraile, J.M. and García-Bordejé, E.
                       and Pires, E. and Roldán, L.",
      title         = "{Biobased catalyst in biorefinery processes: Sulphonated
                       hydrothermal carbon for glycerol esterification}",
      year          = "2015",
}