Cold fronts and multi-temperature structures in the core of Abell 2052 J. de Plaa, N. Werner, A. Simionescu, J. S. Kaastra, Y. G. Grange and J. Vink A&A, 523 (2010) A81 Published online: 18 November 2010 DOI: 10.1051/0004-6361/201015198