Roy, SKafatos, MenasDutta, S2012-04-252012-04-252000Astronomy and astrophysics,V353,P1134http://hdl.handle.net/10263/3561enMultiple scatteringSpectral line shiftScreening effectcritical source frequencyShift of spectral lines due to dynamic multiple scattering and screening effect:implications for discordant redshiftArticle