Herschel–PACS observations of shocked gas associated with the jets of L1448 and L1157 G. Santangelo, B. Nisini, S. Antoniucci, C. Codella, S. Cabrit, T. Giannini, G. Herczeg, R. Liseau, M. Tafalla and E. F. van Dishoeck A&A, 557 (2013) A22 Published online: 20 August 2013 DOI: 10.1051/0004-6361/201321674