David B. Levine. Dealing with different levels of abstraction in a data structures course. In Bruce J. Klein, Cary Laxer, Frank H. Young, editors, Proceedings of the 24th SIGCSE Technical Symposium on Computer Science Education, 1993, Indianapolis, Indiana, USA, February 18-19, 1993. pages 261-264, ACM, 1993. [doi]
Abstract is missing.