Molecular clouds under the influence of massive stars in the Galactic Hii region G353.2+0.9 A. Giannetti, J. Brand, F. Massi, A. Tieftrunk and M. T. Beltrán A&A, 538 (2012) A41 Published online: 30 January 2012 DOI: 10.1051/0004-6361/201116774