The molecular clouds in the environs of the supernova remnants G349.7+0.2 and G18.8+0.3 G. Dubner, E. Giacani, E. Reynoso and S. Parón A&A, 426 1 (2004) 201-212 Published online: 05 October 2004 DOI: 10.1051/0004-6361:20041327