diff --git a/Changelog.txt b/Changelog.txt
index 12c7ce8..fea82ff 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,3 +1,6 @@
+* 2018-07-12
+	- Added paper ``Detecting Censorable Content on Sina Weibo: A Pilot Study''
+
 * 2018-04-30
 	- Updated paper ``Gaining Insight into AS-level Outages through Analysis of Internet Background Radiation''
 	- Updated paper ``Internet Censorship detection: A survey''
diff --git a/header.tpl b/header.tpl
index cc0fdd3..f30c8fc 100644
--- a/header.tpl
+++ b/header.tpl
@@ -83,7 +83,7 @@
       (<a href="author_reverse.html">reverse</a>) <a href="author.html">author</a> <br />
       Feedback: <a href="mailto:phw@nymity.ch">phw@nymity.ch</a> (<a
       href="https://nymity.ch/openpgp_public_key.txt">OpenPGP</a>) <br />
-      Last updated: <a href="Changelog.txt">2018-04-30</a> <br />
+      Last updated: <a href="Changelog.txt">2018-07-12</a> <br />
       Onion site: <a href="http://3wcwjjnuvjyazeza.onion">3wcwjjnuvjyazeza.onion</a> <br />
       Code: <a href="https://github.com/NullHypothesis/censorbib">GitHub</a>
     </div>
diff --git a/references.bib b/references.bib
index 807fc56..dc33b48 100644
--- a/references.bib
+++ b/references.bib
@@ -1,3 +1,12 @@
+@inproceedings{Ng2018a,
+	author = {Kei Yin Ng and Anna Feldman and Chris Leberknight},
+	title = {Detecting Censorable Content on {Sina} {Weibo}: A Pilot Study},
+	booktitle = {Hellenic Conference on Artificial Intelligence},
+	publisher = {ACM},
+	year = {2018},
+	url = {https://censorbib.nymity.ch/pdf/Ng2018a.pdf},
+}
+
 @article{Narayanan2015a,
 	author = {Arvind Narayanan and Bendert Zevenbergen},
 	title = {No Encore for {Encore}? Ethical Questions for Web-Based Censorship Measurement},