@article{CorralesCepeda15,
  title={Gamma regression models with the Gammareg R package},
  author={Martha Corrales Bossio and Edilberto Cepeda Cuervo},
  journal =      {Comunicaciones en estad\'istica},
  volume =       {8},
  number =       {2},
  pages =        {211-223},
  year =        {2015}
}