... Jaffe, Walter; Ford, Holland; Ferrarese, Laura; van den Bosch, Frank; O'Connell, Robert W., The Nuclear Disk of NGC4261: Hubble Space Telescope Images and Ground-based Spectra, 1996, ApJ, 460, 214 abs . ...
... Lenticular galaxies at the outskirts of the Leo II group: NGC 3599 and NGC 3626" . ... Observational study of the candidate polar-ring galaxies NGC 304 and NGC 7625" . ...