Excess hard X-ray emission from the obscured low luminosity AGN in the nearby galaxy M 51 (NGC 5194)Y. Fukazawa, N. Iyomoto, A. Kubota, Y. Matsumoto and K. MakishimaA&A, 374 1 (2001) 73-82DOI: https://doi.org/10.1051/0004-6361:20010708
