Merge pull request #97 from papers-we-love/concat-prog

Concatenative programming!

functional_progamming/README.md

@@ -5,3 +5,7 @@
 * [Backtracking Iterators](https://www.lri.fr/~filliatr/publis/enum2.pdf)
 
 * [Breadth-First Numbering: Lessons from a Small Exercise in Algorithm Design](http://www.cs.tufts.edu/~nr/cs257/archive/chris-okasaki/breadth-first.pdf)
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+## Concatenative Programming
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+* :scroll: [Concatenative Programming: An Overlooked Paradigm in Functional Programming](http://mitarbeiter.hs-heilbronn.de/~herzberg/Publications/ICSOFT.2009.pdf)