1. Chennaveeraiah, M.S.: Karyomorphologic and cytotaxonomic studies in Aegilops. Acta Horti Gotoburgensis 23, 85–178 (1960)
2. Endo, T.; Tsunewaki, K.: Sterility of common wheat with Aegilops triuncialis cytoplasm. J. Hered. 66, 13–18 (1975a)
3. Endo, T.; Tsunewaki, K.: Genetic diversity of the cytoplasm in Triticum and Aegilops. I. On the origin of the cytoplasm of Ae. triuncialis. Seiken Ziho 25–26, 55–66 (1975b)
4. Fukasawa, H.: Results of genome exchange among Aegilops and Triticum species through the successive backcrosses. Wheat Inf. Serv. 7, 24 (1958)
5. Fukasawa, H.: Nucleus substitution and restoration by means of successive backcrosses in wheat and its related genus Aegilops. Jap. J. Bot. 17, 55–91 (1959)