@misc{misc6b150eba,
title   = {Cosmic gravitational waves and the equation of state of the universe},
author = {Santos, Marcelle Soares dos and Gonçalves, Sérgio V. B and Fabris, Júlio César and Gouveia dal Pino, Elisabete Maria de},
year = {2005},
publisher = {SAB},
booktitle   = {Reunião Anual da Sociedade Astronômica Brasileira}
}