Sub-arcsecond [Fe ii] spectro-imaging of the DG Tauri jet - Periodic bubbles and a dusty disk wind?V. Agra-Amboage, C. Dougados, S. Cabrit and J. ReunanenA&A, 532 (2011) A59DOI: https://doi.org/10.1051/0004-6361/201015886