Update README.md

README.md

@@ -89,6 +89,15 @@ The SpeechBrain team does not provide any warranty on the performance achieved b
       year={2021},
       booktitle={ICASSP 2021}
 }
+
+@article{subakan2023exploring,
+  author={Subakan, Cem and Ravanelli, Mirco and Cornell, Samuele and Grondin, François and Bronzi, Mirko},
+  journal={IEEE/ACM Transactions on Audio, Speech, and Language Processing}, 
+  title={Exploring Self-Attention Mechanisms for Speech Separation}, 
+  year={2023},
+  volume={31},
+  pages={2169-2180},
+}
 ```
 
 # **About SpeechBrain**