From 4040d63434b403d4882c1c28a846b2871ad37d32 Mon Sep 17 00:00:00 2001
From: aureooms <aurelien.ooms@gmail.com>
Date: Tue, 8 Sep 2015 00:50:12 +0200
Subject: [PATCH] add references

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 37c77736..40751b23 100644
--- a/README.md
+++ b/README.md
@@ -99,3 +99,9 @@ Alternatively, you can use any tool mentioned [here](http://bower.io/docs/tools/
 ```js
 require( [ "aureooms-js-fingertree" ] , function ( fingertree ) { ... } ) ;
 ```
+
+## References
+
+  - [Hinze and Paterson](http://staff.city.ac.uk/~ross/papers/FingerTree.pdf)
+  - [A previous JavaScript implementation](https://github.com/qiao/fingertree.js)
+  - [A coffeescript implementation](https://github.com/zot/Leisure/blob/master/src/lib/fingertree.coffee)