NGC3227 - an Interacting Barred Spiral with and Active Nucleus Mundell, C. G. ; Pedlar, A. ; Shone, D. L. ; Axon, D. J. ; Meaburn, J. ; Unger, S. W. Abstract Publication: IAU Colloq. 157: Barred Galaxies Pub Date: 1996 Bibcode: 1996ASPC...91..473M