On Wed, 4 May 2005, Benjamin Franksen wrote: > We may have a different copy of SICP, but in mine (2nd edition) there is > Chapter 4.2 "Variantions on a Scheme -- Lazy Evaluation" and in particular > 4.2.2 "An Interpreter with Lazy Evaluation". Here's the direct link: http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-27.html#%_sec_4.2.2 jacob