The IRAM M 33 CO(2–1) survey - A complete census of molecular gas out to 7 kpc
C. Druard, J. Braine, K. F. Schuster, N. Schneider, P. Gratier, S. Bontemps, M. Boquien, F. Combes, E. Corbelli, C. Henkel, F. Herpin, C. Kramer, F. van der Tak and P. van der Werf
A&A, 567 (2014) A118
DOI: https://doi.org/10.1051/0004-6361/201423682