What does R4RS stand for?

MLA style: "R4RS." Acronym Finder . 2013. AcronymFinder.com 25 May. 2013 http://www.acronymfinder.com/Revised-4-Report-on-Scheme-(R4RS).html
Chicago style: Acronym Finder . S.v. "R4RS." Retrieved May 25 2013 from http://www.acronymfinder.com/Revised-4-Report-on-Scheme-(R4RS).html
APA style: R4RS. (n.d.) Acronym Finder. (2013). Retrieved May 25 2013 from http://www.acronymfinder.com/Revised-4-Report-on-Scheme-(R4RS).html

Revised 4 Report on Scheme

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