J. Zibin. (2008)cite arxiv:0804.1787
Comment: 16 pages, 3 figures; numerical results and discussion expanded, one
figure added; version accepted to Phys. Rev. D.
N. Brouzakis, N. Tetradis, and E. Tzavara. (2007)cite arxiv:astro-ph/0703586
Comment: 27 pages, 9 figures, revised version to appear in JCAP, analytical
estimate included, typos corrected.
N. Brouzakis, N. Tetradis, and E. Tzavara. (2006)cite arxiv:astro-ph/0612179
Comment: 27 pages, 5 figures Revised version. References added. Conclusions
clarified.
K. Kainulainen, and V. Marra. (2009)cite arxiv:0911.5584
Comment: 8 pages, 6 figures; to be published in the AIP proceedings of the
'Invisible Universe International Conference', UNESCO-Paris, June 29-July 3,
2009.
K. Kainulainen, and V. Marra. (2009)cite arxiv:0906.3871
Comment: 4 pages, 4 figures; replaced to match the version accepted for
publication in Phys. Rev. D.