References

[1]  

William Clinger, http://www.ccs.neu.edu/home/will/Temp/uwesc.sch.

[2]  

Daniel P. Friedman and Christopher T. Haynes, ``Constraining Control'', in 1985 ACM Symposium on Principles of Programming Languages, pp. 245-254.

[3]  

Richard Kelsey and William Clinger (eds.), Revised^5 Report on the Algorithmic Language Scheme (``R5RS''), 1998.

[4]  

Kent Pitman, UNWIND-PROTECT vs Continuations.