ALMA CO J = 6–5 observations of IRAS 16293–2422 - Shocks and entrainment L. E. Kristensen, P. D. Klaassen, J. C. Mottram, M. Schmalzl and M. R. Hogerheijde A&A, 549 (2013) L6 Published online: 21 December 2012 DOI: 10.1051/0004-6361/201220668