R. Abraham, P. van Dokkum, C. Conroy, A. Merritt, J. Zhang, D. Lokhorst, S. Danieli, and L. Mowla. (2016)cite arxiv:1612.06415Comment: 27 pages, 10 figures, Invited review, Book chapter in Öutskirts of Galaxies", Eds. J. H. Knapen, J. C. Lee and A. Gil de Paz, Astrophysics and Space Science Library, Springer, in press.
T. Kim, R. Carswell, and D. Ranquist. (2015)cite arxiv:1512.01050Comment: Accepted for publication in MNRAS. For the published paper: 29 pages, 24 figures, 7 tables. For online data, 53 velocity plots (c3_velplot.pdf), profile fitting line parameters (table2.dat, table2.pdf).