Activity of the Seyfert galaxy neighboursE. Koulouridis, M. Plionis, V. Chavushyan, D. Dultzin, Y. Krongold, I. Georgantopoulos and J. León-TavaresA&A, 552 (2013) A135DOI: https://doi.org/10.1051/0004-6361/201219606
