Armin Hemmerling. Remark on the Power of Compass (Extended Abstract). In Jozef Gruska, Branislav Rovan, Juraj Wiedermann, editors, Mathematical Foundations of Computer Science 1986, Bratislava, Czechoslovakia, August 25-29, 1996, Proceedings. Volume 233 of Lecture Notes in Computer Science, pages 405-413, Springer, 1986.
Abstract is missing.