add doi for SANER

README.md

@@ -70,7 +70,7 @@ DeepRepair
 
 DeepRepair is an extension of jGenProg leveraging code similarity. The experiments about DeepRepair are described in
 
-* [Sorting and Transforming Program Repair Ingredients via Deep Learning Code Similarities](https://arxiv.org/pdf/1707.04742.pdf) (Martin White, Michele Tufano, Matias Martinez, Martin Monperrus and Denys Poshyvanyk), Proceedings of SANER, 2019.
+* [Sorting and Transforming Program Repair Ingredients via Deep Learning Code Similarities](https://arxiv.org/pdf/1707.04742.pdf) (Martin White, Michele Tufano, Matias Martinez, Martin Monperrus and Denys Poshyvanyk), Proceedings of SANER, 2019.  ([doi:10.1109/SANER.2019.8668043](https://doi.org/10.1109/SANER.2019.8668043))
 * Open-science repository with DeepRepair patches: <https://github.com/SpoonLabs/astor-experiments/>
 * Open-science package at Zenodo: <https://zenodo.org/record/2578775>