How to cite 

ICES (2012). Porbeagle in the Northeast Atlantic in ICES 2012 Report of the Working Group on Elasmobranch Fishes (WGEF). CIEM / ICES, Ref. ICES CM 2012/ACOM:19, pp 142-157, 17p.https://archimer.ifremer.fr/doc/00109/22017/