A case study of ACV variables discovered in the Zwicky Transient Facility surveyN. Faltová, K. Kallová, M. Prišegen, P. Staněk, J. Supíková, C. Xia, K. Bernhard, S. Hümmerich and E. PaunzenA&A, 656 (2021) A125DOI: https://doi.org/10.1051/0004-6361/202141534