• Functional Programming with Bananas, Lenses, Envelopes and Barbed Wire https://research.utwente.nl/en/publications/functional-programming-with-bananas-lenses-envelopes-and-barbed-w 18 comments 5/8/2020
• Functional Programming with Bananas, Lenses, Envelopes and Barbed Wire (1991) [pdf] http://eprints.eemcs.utwente.nl/7281/01/db-utwente-40501F46.pdf 2 comments 20/2/2015
• Functional programming with bananas, lenses, envelopes and barbed wire [pdf] (1991) https://ris.utwente.nl/ws/portalfiles/portal/6142049/meijer91functional.pdf 28 comments 25/4/2022

• Functional programming with bananas, lenses, envelopes and barbed wire https://ris.utwente.nl/ws/portalfiles/portal/6142049/meijer91functional.pdf 6 comments 25/4/2022 compsci , pdf

• Functional Programming with Bananas, Lenses, Envelopes and Barbed Wire http://citeseer.ist.psu.edu/cachedpage/214108/1 4 comments 28/4/2009 compsci
• Functional Programming with Bananas, Lenses, Envelopes and Barbed Wire http://citeseer.ist.psu.edu/meijer91functional.html 6 comments 16/3/2007 programming
• A Classic: Functional Programming with Bananas, Lenses, Envelopes and Barbed Wire (PS, see comments for PDF) http://wwwhome.cs.utwente.nl/~fokkinga/mmf91m.ps 3 comments 3/7/2008 programming