@article{847395,
      recid = {847395},
      author = {Ellis, George F. R. and Maartens, R. and MacCallum, M. A.  H.},
      title = {Relativistic cosmology [electronic resource] /},
      publisher = {Cambridge University Press,},
      address = {Cambridge ;},
      pages = {xiv, 622 p. :},
      year = {2012},
      url = {http://library.usi.edu/record/847395},
}