Inference for stellar opacities from seismic studies of the hybrid β Cep/SPB pulsatorsPrzemysław Walczak, Jadwiga Daszyńska-Daszkiewicz and Alexey PamyatnykhEPJ Web Conf., 152 (2017) 06005DOI: https://doi.org/10.1051/epjconf/201715206005