Armas, J., S. Tai, and S. Tai. “he ltrastructure of the ineal ody of the igratory aterfowl nas iscors and ts ole in onadal aturation”. cta icroscopica, ol. 1, no. 2, Nov. 1992, pp. 85-91, https://acta-microscopica.org/acta/article/view/100.