1. Bennet, D.C. and Lamoreux M.L., 2003. The color loci of mice – A Genetic Century. Pigment Cell Res 16:333–344.
2. Hoekstra, H.E., 2006. Genetics, development and evolution of adaptive pigmentation in vertebrates. Heredity 97:222–234.
3. Mariani, P., Panzitta, F., Nardelli Costa, J., Lazzari, B., Crepaldi, P., Marilli, M., Fornarelli, F., Fusi, M., Milanesi, E., Negrini, R., Silveri, L., Filippini, F., Ajmone Marsan, P., 2005. Molecular protocols for livestock product of traceability. Proc. IV World It. Beef Cattle Congr.,253–259.
4. Mckean, J.D., 2001. The importance of traceability for public health and consumer protection. Rev.Sci. Tech. Off. Int. Epiz. 20(2): 363–71.