BibliographyπŸ”—β„Ή

[Goldberg04] David Goldberg, Robert Bruce Findler, and Matthew Flatt, β€œSuper and Innerβ€”Together at Last!,” Object-Oriented Programming, Languages, Systems, and Applications, 2004. http://www.cs.utah.edu/plt/publications/oopsla04-gff.pdf
[Flatt02] Matthew Flatt, β€œComposable and Compilable Macros: You Want it When?,” International Conference on Functional Programming, 2002.
[Flatt06] Matthew Flatt, Robert Bruce Findler, and Matthias Felleisen, β€œScheme with Classes, Mixins, and Traits (invited tutorial),” Asian Symposium on Programming Languages and Systems, 2006. http://www.cs.utah.edu/plt/publications/aplas06-fff.pdf
[Mitchell02] Richard Mitchell and Jim McKim, Design by Contract, by Example. 2002.
[Sitaram05] Dorai Sitaram, β€œpregexp: Portable Regular Expressions for Scheme and Common Lisp.” 2002. http://www.ccs.neu.edu/home/dorai/pregexp/