Update README.md

README.md

@@ -42,6 +42,17 @@ If you only want the original xWinograd Chinese schemas, do:
 }
 ```
 
+```bibtex
+@misc{tikhonov2021heads,
+    title={It's All in the Heads: Using Attention Heads as a Baseline for Cross-Lingual Transfer in Commonsense Reasoning},
+    author={Alexey Tikhonov and Max Ryabinin},
+    year={2021},
+    eprint={2106.12066},
+    archivePrefix={arXiv},
+    primaryClass={cs.CL}
+}
+```
+
 ### Contributions
 
 Thanks to Jordan Clive, @yongzx & @khalidalt for support on adding Chinese.