Herschel observations of the Sagittarius B2 cores: Hydrides, warm CO, and cold dustM. Etxaluze, J. R. Goicoechea, J. Cernicharo, E. T. Polehampton, A. Noriega-Crespo, S. Molinari, B. M. Swinyard, R. Wu and J. BallyA&A, 556 (2013) A137DOI: https://doi.org/10.1051/0004-6361/201321258