Rossa, J.; et al. (September 2012). "The Morphological Diversity of DIG in Halos of Edge-on Spirals as Revealed by HST/ACS". In de Avillez, M.A. (ed.). The Role of the Disk-Halo Interaction in Galaxy Evolution: Outflow vs. Infall?. EAS Publication Series. Vol. 56. pp. 221–224. Bibcode:2012EAS....56..221R. doi:10.1051/eas/1256035.
Rossa, J.; et al. (September 2012). "The Morphological Diversity of DIG in Halos of Edge-on Spirals as Revealed by HST/ACS". In de Avillez, M.A. (ed.). The Role of the Disk-Halo Interaction in Galaxy Evolution: Outflow vs. Infall?. EAS Publication Series. Vol. 56. pp. 221–224. Bibcode:2012EAS....56..221R. doi:10.1051/eas/1256035.