Referências: |
1) Steven Weinberg: Gravitation and Cosmology (John Wiley & Sons, New York, 1972). 2) Robert M. Wald: General Relativity (University of Chicago Press, Chicago, 1984). 3) Thanu Padmanabhan: Gravitation (Cambridge University Press, Cambridge, 210). 4) Salvatore Capozziello e Valerio Faraoni: Beyond Einstein Gravity (Springer, Londres, 2011). |