Bias on Estimates of X-ray Cluster MassE. Rasia, S. Ettori, L. Moscardini, P. Mazzotta, S. Borgani, K. Dolag, G. Tormen, L.M. Cheng and A. DiaferioEAS Publications Series, 20 (2006) 295-296DOI: https://doi.org/10.1051/eas:2006097