Broad-line region structure and line profile variations in the changing look AGN HE 1136-2304W. Kollatschny, M. W. Ochmann, M. Zetzl, M. Haas, D. Chelouche, S. Kaspi, F. Pozo Nuñez and D. GrupeA&A, 619 (2018) A168DOI: https://doi.org/10.1051/0004-6361/201833727
