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We simulated the collapse of a turbulent molecular cloud, treating gravity and hydrodynamics. The initial conditions were taken from a periodic turbulent cube simulated with the ATHENA code \citep{http://adsabs.harvard.edu/abs/2005JCoPh.205..509G,http://adsabs.harvard.edu/abs/2008JCoPh.227.4123G,http://adsabs.harvard.edu/abs/2008ApJS..178..137S,http://adsabs.harvard.edu/abs/2009NewA...14..139S}. \citep{2005JCoPh.205..509G,2008JCoPh.227.4123G,2008ApJS..178..137S,2009NewA...14..139S}.