Geoff Wozniak, Mark Daley, Stephen Watt. Dynamic ADTs: a "don't ask, don't tell" policy for data abstraction. In Carl Shapiro, Pascal Costanza, Jon L. White, editors, International Lisp Conference, ILC 2007, Cambridge, April 1-4, 2007. pages 26, ACM, 2007. [doi]
Abstract is missing.