V. St-Amour, S. Tobin-Hochstadt, and M. Felleisen. Proceedings of the ACM International Conference on Object Oriented Programming Systems Languages and Applications, page 163--178. ACM, (2012)
D. Weikle, M. Lam, and M. Kirkpatrick. Proceedings of the 50th ACM Technical Symposium on Computer Science Education, page 565--570. New York, NY, USA, ACM, (2019)
D. Grossman. Lecture Notes, Department of Computer Science & Engineering, University of Washington, AC101 Paul G. Allen Center, Box 352350, 185 Stevens Way, Seattle, WA 98195-2350, (Dec 8, 2012)