diff --git a/README.md b/README.md
index dddd7f8..5bf0681 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@ Rust port of [TrueSkillThroughTime.py](https://github.com/glandfried/TrueSkillTh
 - [ChessAnalysis #F](https://github.com/lucasmaystre/ChessAnalysis)
 - [TrueSkillThroughTime.jl](https://github.com/glandfried/TrueSkillThroughTime.jl)
 - [TrueSkillThroughTime.R](https://github.com/glandfried/TrueSkillThroughTime.R)
+- [TrueSkill Through Time: Revisiting the History of Chess](https://www.microsoft.com/en-us/research/wp-content/uploads/2008/01/NIPS2007_0931.pdf)
+- [TrueSkill Through Time. The full scientific documentation]([file:///Users/olsson/Downloads/landfried-learning-1.pdf](https://glandfried.github.io/publication/landfried2021-learning/))
 
 ## Todo