Properties of compact 250 μm emission and H II regions in M 33 (HERM33ES) S. Verley, M. Relaño, C. Kramer, E. M. Xilouris, M. Boquien, D. Calzetti, F. Combes, C. Buchbender, J. Braine, G. Quintana-Lacaci et al. (5 more) A&A, 518 (2010) L68 Published online: 16 July 2010 DOI: 10.1051/0004-6361/201014607