On bias effect of baryons see
http://adsabs.harvard.edu/abs/2013PhRvD..88b3510D
On peak theory ( a theory that connects the power spectra of the dark matter distribution to cosmological parameters ) here
http://adsabs.harvard.edu/abs/2007MNRAS.382.1591D
On Peak theory and 2df redshift survey http://adsabs.harvard.edu/abs/2010MNRAS.401.1989D