@article{Costa:2007Of,
  author = "Costa, Marcelo Leineker",
  title = "{On the Generalized Rainich Algebra in Scalar-Tensor Gravities}",
  doi = "10.22323/1.031.0061",
  journal = "PoS",
  year = 2007,
  volume = "IC2006",
  pages = "061"
}