Low-excitation atomic gas around evolved stars - I. ISO observations of C-rich nebulaeD. Fong, M. Meixner, A. Castro-Carrizo, V. Bujarrabal, W. B. Latter, A. G. G. M. Tielens, D. M. Kelly and E. C. SuttonA&A, 367 2 (2001) 652-673DOI: https://doi.org/10.1051/0004-6361:20000434
