1. Allegrucci, G., C. Fortunato, S. Cataudella & V. Sbordoni. 1994. Acclimation to fresh water of the sea bass: evidence of selective mortality of alloyzme genotypes. pp. 486?502. In: A.R. Beaumont(ed.) Genetics and Evolution of Aquatic Organisms, Chapman & Hall, London.
2. Barlow, G. 1961. Causes and significance of morphological variation in fishes. Syst. Zool. 10: 105?117.
3. Barnab�, G. 1980. Expose synoptique des donnees biologiques sur le loup ou bar Dicentrachus labrax (Linn�, 1758). FAO Fish. Synopsis 126, Rome. 70 pp.
4. Bookstein, F.L. 1989. ?Size and shape?: a comment on semantics. Syst. Zool. 38: 173?180.
5. Bookstein, F.L. 1991. Morphometric tools for landmark data: geometry and biology. Cambridge University Press, Cambridge. 435 pp.