diff --git a/README.rst b/README.rst
index be4047c..cce7a81 100644
--- a/README.rst
+++ b/README.rst
@@ -97,6 +97,14 @@ Bibtex::
 
 
 
+Contributions
+-------------
+
+In the example folder, file  `GNN_SimpleNet_TF2.py <https://github.com/sailab-code/gnn/blob/master/examples/GNN_SimpleNet_TF2.py>`_ you can find a tentative all-in-one implementation in Tensorflow 2, a contribution by `Rohan Kotwani <https://github.com/freedomtowin>`_ .
+We thank him and all the interested users!
+
+
+You can find a TF 2.x implementation by  N.Pancino and P.Bongini (PhD Students @ SAILab) at this repo  `repo  <https://github.com/sailab-code/GNN_tf_2.x>`_
 
 
 License
@@ -106,4 +114,4 @@ Released under the 3-Clause BSD license (see `LICENSE.txt`)::
 
    Copyright (C) 2004-2019 Matteo Tiezzi
    Matteo Tiezzi <mtiezzi@diism.unisi.it>
-   Alberto Rossi <alrossi@unifi.it>
\ No newline at end of file
+   Alberto Rossi <alrossi@unifi.it>