add paper

i2p2www/pages/papers/anonbib.bib

@@ -29,6 +29,18 @@
 
 @string{lncs = "Lecture Notes in Computer Science"}
 
+@article{liu2014,
+  title = {Empirical Measurement and Analysis of I2P Routers},
+  author = {Peipeng Liu et al},
+  journal = {Journal of Networks},
+  year = {2014},
+  month = Sep,
+  volume = {9},
+  issue = {9},
+  pages = {2269--2278},
+  www_section = traffic,
+}
+
 @inproceedings{conrad2014,
   title = {A Survey on Tor and I2P},
   author = {Bernd Conrad and Fatemeh Shirazi},