W43: the closest molecular complex of the Galactic bar? Q. Nguyên Luong, F. Motte, F. Schuller, N. Schneider, S. Bontemps, P. Schilke, K. M. Menten, F. Heitsch, F. Wyrowski, P. Carlhoff et al. (2 more) A&A, 529 (2011) A41 Published online: 29 March 2011 DOI: 10.1051/0004-6361/201016271