Zhang, Y.-Y., Andernach, H., Caretta, C. A., Reiprich, T. H., Böhringer, H., Puchwein, E., et al. (2011). HIFLUGCS: galaxy cluster scaling relations between X-ray luminosity, gas mass, cluster radius, and velocity dispersion. Astronomy and Astrophysics, 526: A105, pp. 1-38. doi:10.1051/0004-6361/201015830.