Merge pull request #875 from pints-team/867-citation

Update CITATION file

CITATION

@@ -1,17 +1,21 @@
 To cite PINTS in publications, please use:
 
-Clerx, M., Robinson, M., Lambert, B., Lei, C. L., Ghosh, S., Mirams, G. R., & Gavaghan, D. J. (2018).
-Probabilistic Inference on Noisy Time Series (PINTS).
-arXiv preprint arXiv:1812.07388.
+Clerx, M., Robinson, M., Lambert, B., Lei, C. L., Ghosh, S., Mirams, G. R., & Gavaghan, D. J. (2019). 
+Probabilistic Inference on Noisy Time Series (PINTS). 
+Journal of Open Research Software, 7(1), 23.
 
-https://arxiv.org/abs/1812.07388
+https://doi.org/10.5334/jors.252
 
 A BibTeX entry for LaTeX users is
 
-@article{Clerx2018Pints,
+@article{Clerx2019Pints,
   title={Probabilistic Inference on Noisy Time Series ({PINTS})},
   author={Clerx, Michael and Robinson, Martin and Lambert, Ben and Lei, Chon Lok and Ghosh, Sanmitra and Mirams, Gary R and Gavaghan, David J},
-  journal={arXiv preprint arXiv:1812.07388},
-  year={2018}
+  journal={Journal of Open Research Software},
+  volume={7},
+  number={1},
+  pages={23},
+  year={2019},
+  doi={10.5334/jors.252}
 }