Dissipative structures of diffuse molecular gas - I. Broad HCO+ (J = 1–0) emissionE. Falgarone, G. Pineau des Forêts, P. Hily-Blant and P. SchilkeA&A, 452 2 (2006) 511-522DOI: https://doi.org/10.1051/0004-6361:20054087