Discovery of depressions in the X-ray emission of the distant galaxy cluster RBS797 in a CHANDRA observationS. Schindler, A. Castillo-Morales, E. De Filippis, A. Schwope and J. WambsganssA&A, 376 3 (2001) L27-L30DOI: https://doi.org/10.1051/0004-6361:20010990