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