C. Federrath, M. Schrön, R. Banerjee, and R. Klessen. (2014)cite arxiv:1406.3625Comment: 25 pages, 12 figures, submitted to ApJ, comments welcome, simulation movies available: http://www.ita.uni-heidelberg.de/~chfeder/pubs/outflow_model/outflow_model.shtml?lang=en.