Ashley S., Mallett M.J. and Grandy N.J., (1990) EEC Ring Test of a Method for Determining the Effects of Chemicals on the Growth Rate of Fish.
Meyer, A., Bierman, C. H. and Orti, G. (1993). The phylogenetic position of the zebrafish (Danio rerio), a model System in developmental biology: an invitation to the comparative method. Proc. R. Soc. Lond. B. 252, pp. 231-236. (3) Ashley S., Mallett M. J. and Grandy N. J. (1990).