Dataset card update

README.md

@@ -18,7 +18,7 @@ tags:
 
 # MCTED - Mars CTX Terrain-Elevation Dataset
 
-[**Dataset repository**]() | [**arXiv article**]()
+[**Dataset repository (pending ESA license)**]() | [**arXiv article**](https://arxiv.org/abs/2509.08027)
 
 <img src="./.images/dataset_samples.png" alt="Dataset samples" style="width:100%;"/>
 
@@ -96,5 +96,13 @@ plt.title("Initial invalid values mask")
 
 ## Citation
 ```bibtex
-@misc {}
+@misc{osadnik2025,
+      title={MCTED: A Machine-Learning-Ready Dataset for Digital Elevation Model Generation From Mars Imagery}, 
+      author={Rafał Osadnik and Pablo Gómez and Eleni Bohacek and Rickbir Bahia},
+      year={2025},
+      eprint={2509.08027},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2509.08027}, 
+}
 ```