Update README.md

README.md

@@ -55,3 +55,5 @@ Please see [this](https://github.com/VITObelgium/geobertje) repository for
 further details on the training of GEOBERTje and its fine-tuning for the lithology classification task. 
 
 The reference datasets are available from [here](https://huggingface.co/datasets/hghcomphys/geological-borehole-descriptions-dutch).
+
+Check out our paper on [arxiv](https://arxiv.org/abs/2407.10991).