NGC 6240: extended CO structures and their association with shocked gasC. Feruglio, F. Fiore, R. Maiolino, E. Piconcelli, H. Aussel, D. Elbaz, E. Le Floc’h, E. Sturm, R. Davies and C. CiconeA&A, 549 (2013) A51DOI: https://doi.org/10.1051/0004-6361/201219746