Items where Author is "Guimarães, R."

Article

Aghaee, A. ; Petitjean, P. ; Srianand, R. ; Stalin, C. S. ; Guimarães, R. (2010) Determination of the mean HI absorption of the intergalactic medium Journal of Astrophysics and Astronomy, 31 (2). pp. 59-79. ISSN 0250-6335

Guimarães, R. ; Petitjean, P. ; Rollinde, E. ; De Carvalho, R. R. ; Djorgovski, S. G. ; Srianand, R. ; Aghaee, A. ; Castro, S. (2007) Evidence for overdensity around z_em > 4 quasars from the proximity effect Monthly Notices of the Royal Astronomical Society, 377 (2). pp. 657-666. ISSN 0035-8711