From 26c586ed2621127340137f10c9a9122859407758 Mon Sep 17 00:00:00 2001
From: Justin Ethier <justin.ethier@gmail.com>
Date: Thu, 10 Dec 2015 02:10:21 -0500
Subject: [PATCH] Added second GC paper

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

diff --git a/README.md b/README.md
index 16eda6fe..681b1c2e 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ References
 - [Compiling Scheme to C with closure conversion](http://matt.might.net/articles/compiling-scheme-to-c/), by Matt Might
 - Implementing an on-the-fly garbage collector for Java, by Domani et al
 - [Lisp in Small Pieces](http://pagesperso-systeme.lip6.fr/Christian.Queinnec/WWW/LiSP.html), by Christian Queinnec
+- Portable, Unobtrusive Garbage Collection for Multiprocessor Systems, by Damien Doligez and Georges Gonthier
 - [R<sup>5</sup>RS Scheme Specification](http://www.schemers.org/Documents/Standards/R5RS/HTML/)
 - [R<sup>7</sup>RS Scheme Specification](http://trac.sacrideo.us/wg/wiki)
 - [Structure and Interpretation of Computer Programs](https://mitpress.mit.edu/sicp/full-text/book/book.html), by Harold Abelson and Gerald Jay Sussman