De Schrijver, R.; Ollevier, F.P. (2000). Protein digestion in juvenile turbot (Scophthalmus maximus) and effects of dietary administration of Vibrio proteolyticus. Aquaculture 186(1-2): 107-116. dx.doi.org/10.1016/S0044-8486(99)00372-5, meer
Wittemans, L.; van Houdt, R.; Vermeulen, D.; Ollevier, F.P.; De Schrijver, R. (1998). The impact of a probiotic on the digestion in juvenile turbot (Scophthalmus maximus L.), in: Grizel, H. et al. (Ed.) Aquaculture and water: fish culture, shellfish culture and water usage: abstract of contributions presented at the International Conference "Aquaculture Europe '98", Bordeaux, France, October 7-10, 1998. EAS Special Publication, 26: pp. No paging, meer