The impact of shocks on the chemistry of molecular clouds - High resolution images of chemical differentiation along the NGC 1333–IRAS 2A outflowJ. K. Jørgensen, M. R. Hogerheijde, G. A. Blake, E. F. van Dishoeck, L. G. Mundy and F. L. SchöierA&A, 415 3 (2004) 1021-1037DOI: https://doi.org/10.1051/0004-6361:20034216