Characterization of infrared dark clouds - NH3 observations of an absorption-contrast selected IRDC sampleR.-A. Chira, H. Beuther, H. Linz, F. Schuller, C. M. Walmsley, K. M. Menten and L. BronfmanA&A, 552 (2013) A40DOI: https://doi.org/10.1051/0004-6361/201219567
