The AMIGA sample of isolated galaxies - II. Morphological refinement J. W. Sulentic, L. Verdes-Montenegro, G. Bergond, U. Lisenfeld, A. Durbala, D. Espada, E. Garcia, S. Leon, J. Sabater, S. Verley et al. (2 more) A&A, 449 3 (2006) 937-949 Published online: 24 March 2006 DOI: 10.1051/0004-6361:20054020