APEX mapping of H3O in the Sgr B2 regionF. F. S. van der Tak, A. Belloche, P. Schilke, R. Güsten, S. Philipp, C. Comito, P. Bergman and L.-Å. NymanA&A, 454 2 (2006) L99-L102DOI: https://doi.org/10.1051/0004-6361:20065289
in the Sgr B2 region in the Sgr B2 region