1. 1 D. L. Alverson, M. H. Freeberg, S. A. Murawski, and J. G. Pope , 1994 : A global assessment of fisheries bycatch and discards . FAO Fish. Techn Pap. 339.
2. 3 F. A. van Beek , 1998 : Discarding in the Dutch bream trawl fishery . ICES CM 1998/BB 5.
3. 4 T. C. Borges, L. Bentes, M. Castro, M. E. Costa, K. Erzini, J. Gomes, J. M. S. Goncalves, P. G. Lino, C. Pais, and J. Ribeiro , 1998 : Studies of the Discards of Commercial Fisheries from the South Coast of Portugal. Final Report, Commission of the European Communities, DG XIV-C-1. Study Project no. 95/081.
4. 5 C. J. Camphuysen, B. Calvo, J. Durinck, K. Ensor, A. Follestad, R. W. Furness, S. Garthe, G. Leaper, H. Skov, M. L. Tasker, and C. J. N. Winter , 1995 : Consumption of Discards by Seabirds in the North Sea. Final Report EC DG XIV research contract BIOECO/93/10. NIOZ Rapport 1995-5. Netherlands Institute for Sea Research, Texel.