Tōhoku Daigaku. Denki Tsūshin Kenkyūjo, Nishizeki, T., & Saitō, N. (1981). Graph theory and algorithms: 17th symposium of Research Institute of Electrical Communication, Tohoku University, Sendai, Japan, October 24-25, 1980 : proceedings. Springer-Verlag.
Chicago-Zitierstil (17. Ausg.)Tōhoku Daigaku. Denki Tsūshin Kenkyūjo, T. Nishizeki, und N. Saitō. Graph Theory and Algorithms: 17th Symposium of Research Institute of Electrical Communication, Tohoku University, Sendai, Japan, October 24-25, 1980 : Proceedings. Berlin ; New York: Springer-Verlag, 1981.
MLA-Zitierstil (8. Ausg.)Tōhoku Daigaku. Denki Tsūshin Kenkyūjo, et al. Graph Theory and Algorithms: 17th Symposium of Research Institute of Electrical Communication, Tohoku University, Sendai, Japan, October 24-25, 1980 : Proceedings. Springer-Verlag, 1981.