diff --git a/header.tpl b/header.tpl
index f059212..8ce0d53 100644
--- a/header.tpl
+++ b/header.tpl
@@ -86,7 +86,7 @@
       (<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="https://github.com/NullHypothesis/censorbib/commits/master">2019-01-03</a> <br />
+      Last updated: <a href="https://github.com/NullHypothesis/censorbib/commits/master">2019-04-06</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 a9cc190..7dd5398 100644
--- a/references.bib
+++ b/references.bib
@@ -1,3 +1,12 @@
+@inproceedings{Bocovich2017a,
+	author = {Cecylia Bocovich and John A. Doucette and Ian Goldberg},
+	title = {{Lavinia}: An audit-payment protocolfor censorship-resistant storage},
+	booktitle = {Financial Cryptography and Data Security},
+	publisher = {Springer},
+	year = {2017},
+	url = {https://ifca.ai/fc17/preproceedings/paper_19.pdf},
+}
+
 @inproceedings{Nasr2019a,
 	author = {Milad Nasr and Sadegh Farhang and Amir Houmansadr and Jens Grossklags},
 	title = {Enemy At the Gateways: Censorship-Resilient Proxy Distribution Using Game Theory},