Intracluster medium cooling, AGN feedback, and brightest cluster galaxy properties of galaxy groups - Five properties where groups differ from clustersV. Bharadwaj, T. H. Reiprich, G. Schellenberger, H. J. Eckmiller, R. Mittal and H. IsraelA&A, 572 (2014) A46DOI: https://doi.org/10.1051/0004-6361/201322684