Update README.md

README.md

@@ -299,7 +299,6 @@ Instances data in different domains is licensed under different licenses, as we
 | MVC    | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)     |
 | GISP   | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)     |
 | CFLP   | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)     |
-| LB     | BSD 3-Clause License [(Source repository)](https://github.com/ds4dm/ml4co-competition/tree/main)[(Details and copyright notice)](https://github.com/ds4dm/ml4co-competition/blob/main/LICENSE) |
 | IP     | BSD 3-Clause License [(Source repository)](https://github.com/ds4dm/ml4co-competition/tree/main)[(Details and copyright notice)](https://github.com/ds4dm/ml4co-competition/blob/main/LICENSE) |
 | MIRP   | BSD 3-Clause License [(Source repository)](https://github.com/ds4dm/ml4co-competition/tree/main) [(Details and copyright notice)](https://github.com/ds4dm/ml4co-competition/blob/main/LICENSE)  |
 | NNV    | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode) [(Source repository)](https://github.com/google-deepmind/deepmind-research/tree/master/neural_mip_solving)   |
@@ -308,4 +307,16 @@ Instances data in different domains is licensed under different licenses, as we
 | SRPN   | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)    |
 
 
-### Loading MILP instances
+### Citation
+
+**BibTeX:**
+```BibTeX
+@misc{huang2024distributional,
+      title={Distributional MIPLIB: a Multi-Domain Library for Advancing ML-Guided MILP Methods}, 
+      author={Weimin Huang and Taoan Huang and Aaron M Ferber and Bistra Dilkina},
+      year={2024},
+      eprint={2406.06954},
+      archivePrefix={arXiv},
+      primaryClass={cs.LG}
+}
+```