Warm CO in evolved stars from the THROES catalogue - II. Herschel/PACS spectroscopy of C-rich envelopesJ. M. da Silva Santos, J. Ramos-Medina, C. Sánchez Contreras and P. García-LarioA&A, 622 (2019) A123DOI: https://doi.org/10.1051/0004-6361/201834141