Srianand, R.Padmanabhan, T.Choudhury, T. Roy2012-03-032012-03-032001-05-23http://hdl.handle.net/11007/158enIntergalactic mediumQuasars : Absorption linesLarge-scale structure of universeSemi analytic approach to understanding the distribution of neutral hydrogen in the universe: Comparison of simulations with observationsArticle