Piechowiak, T., and D. Zapala. “Using BEAR Data to Obtain Reduced Versions of the SSQ-12 and IOI-HA-7 Questionnaires”. Proceedings of the International Symposium on Auditory and Audiological Research, Vol. 7, May 2020, pp. 237-64, https://proceedings.isaar.eu/index.php/isaarproc/article/view/2019-29.