Dissipative effects on the sustainment of a magnetorotational dynamo in Keplerian shear flow A. Riols, F. Rincon, C. Cossu, G. Lesur, G. I. Ogilvie and P. -Y. Longaretti A&A, 575 (2015) A14 Published online: 11 February 2015 DOI: 10.1051/0004-6361/201424324