Add cited by secctions

rigtorp · rigtorp · commit 2f91f0cf97e9 · 2019-09-25T16:58:33.000-07:00
diff --git a/README.md b/README.md
@@ -89,6 +89,12 @@ heavy workload.
 | google::dense_hash_map |     122 |
 | std::unordered_map     |     220 |
 
+## Cited by
+
+HashMap has been cited by the following papers:
+- Koppl, Dominik. “Separate Chaining Meets Compact Hashing.” (2019).
+  https://arxiv.org/abs/1905.00163 
+
 ## About
 
 This project was created by [Erik Rigtorp](http://rigtorp.se)
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