Add link to PRSB article

readme.md

@@ -14,6 +14,8 @@ The code has been tested on Python 3.6, 3.7.
 The code to reproduce the figures of “Active flow network generates molecular transport by packets” (Proceedings of the Royal Society B, 2020) by Matteo Dora & David Holcman is provided in the `scripts_prsb` subfolder.
 Each script will run the required simulations and produce the corresponding figures (it can take some time!). Simulation data and figures will be saved in the locations specified in `config.py`.
 
+The published article can be found [here](https://royalsocietypublishing.org/doi/10.1098/rspb.2020.0493).
+
 ### [Documentation](https://mattbit.github.io/active-network-er/)
 
 Documentation can be found [here](https://mattbit.github.io/active-network-er/) or it can be generated with sphinx (look in `docsrc`).