An acoustic survey of Orange Roughy aggregations to the west and north of the Porcupine Bank. 

O’Donnell, C., Macaulay, G., Doonan, I., Grehan, A., Haride N., Ullgren, J., Mackey, M., Sacchetti, F. & Sheppard, S. (2007)  An acoustic survey of Orange Roughy aggregations to the west and north of the Porcupine Bank.  Irish Fisheries Investigations No. 18, Marine Institute. http://hdl.handle.net/10793/108