“Thermal” SiO radio line emission towards M-type AGB stars: A probe of circumstellar dust formation and dynamicsD. González Delgado, H. Olofsson, F. Kerschbaum, F. L. Schöier, M. Lindqvist and M. A. T. GroenewegenA&A, 411 2 (2003) 123-147DOI: https://doi.org/10.1051/0004-6361:20031068