A. S. Sdell, B. Uchanan-s, and M. A. , Inheritance of color, beard, tassels and horns in the goat, J. Hered, vol.192, issue.19, pp.425-468

B. Fédéral and D. Statistique, Le Cheptel suisse 19 66, p.68

E. Idrigevic and E. V. , A contribution to the problem of morphogenesis and evolution of pigmentation in the goat, I73 -I 8 7 . (Abstr. in Anim. Breed. A6str, p.37, 1941.

L. Auvergne and J. J. , Hérédité de la couleur blanche du mouton berrichon croisé à des solognots Gonadal hypoplasia and white color in Swedish Highland cattle, Ann. Génét. Sél. anim. L AUVERGNE J. J. J. Hered, vol.19, issue.61, pp.219-241, 1970.

J. L. Lush, Inheritance of horns, wattles and colors in grade Toggenburg goats, J. Hered, vol.192, issue.17, pp.73-82

R. J. Endel, White heifer disease in a herd of dairy Shorthorn, J. Genet, vol.51, issue.8, pp.9-94, 1959.

S. A. Earle, Comparative Genetics of Coat colour in Mammals, p.68