Gas and dust from extremely metal-poor AGB stars P. Ventura, F. Dell’Agli, D. Romano, S. Tosi, M. Limongi, A. Chieffi, M. Castellani, M. Tailo, M. Lugaro, E. Marini and A. Yagüe Lopez A&A, 655 (2021) A6 Published online: 28 October 2021 DOI: 10.1051/0004-6361/202141017