diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7c547f6..4a72619 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -28,3 +28,7 @@ We support Julia versions 0.4+
 Only pull requests to src folder
 --------------------------------
 See [issue #29](https://github.com/JuliaFEM/JuliaFEM/issues/29). This ensures peer review check for contributors and hopefully will decrease the number of merge conflicts. 
+
+New technology should be introduced through notebooks
+-----------------------------------------------------
+[See issue #12](https://github.com/JuliaFEM/JuliaFEM.jl/issues/12). Idea is to introduce new technology as a notebook for the very beginning. Then when it's get mature the notebook will serve functional test for the matter. All notebooks will be included as examples to the documentation.