Long-term, orbital, and rapid variations of the Be star V923 Aql = HD 183656M. Wolf, P. Harmanec, H. Božić, P. Koubský, S. Yang, D. Ruždjak, M. Šlechta, H. Ak, H. Bakış, V. Bakış, A. Oplištilová and K. VitovskýA&A, 647 (2021) A97DOI: https://doi.org/10.1051/0004-6361/202039740
