Abundance of SiC2 in carbon star envelopes - Evidence that SiC2 is a gas-phase precursor of SiC dustS. Massalkhi, M. Agúndez, J. Cernicharo, L. Velilla Prieto, J. R. Goicoechea, G. Quintana-Lacaci, J. P. Fonfría, J. Alcolea and V. BujarrabalA&A, 611 (2018) A29DOI: https://doi.org/10.1051/0004-6361/201732038
