Herschel observations of the Herbig-Haro objects HH 52-54 P. Bjerkeli, R. Liseau, B. Nisini, M. Tafalla, M. Benedettini, P. Bergman, O. Dionatos, T. Giannini, G. Herczeg, K. Justtanont et al. (4 more) A&A, 533 (2011) A80 Published online: 30 August 2011 DOI: 10.1051/0004-6361/201116846