Two Phase Formation of Massive Galaxies T.Naab, P. Johansson, R. Cen, K. Nagamine, R. Joung and J.P.O. PPPL:, 19 Dec 2012 ApJ.L.,658,710 (2007) ApJ.,697,
18 Heat and the First Law of Thermodynamics
Two Phase Formation of Massive Galaxies