Detection of hot gas in the filament connecting the clusters of galaxies Abell 222 and Abell 223N. Werner, A. Finoguenov, J. S. Kaastra, A. Simionescu, J. P. Dietrich, J. Vink and H. BöhringerA&A, 482 3 (2008) L29-L33DOI: https://doi.org/10.1051/0004-6361:200809599