diff --git a/README.md b/README.md
index 0305363..a99f4e3 100644
--- a/README.md
+++ b/README.md
@@ -168,7 +168,8 @@ https://perf.wiki.kernel.org/index.php/Tutorial
 https://portal.hdfgroup.org/display/HDF5/Introduction+to+Parallel+HDF5
 - Introduction to Scientific I/O
 https://www.nersc.gov/users/training/online-tutorials/introduction-to-scientific-i-o/?show_all=1
-
+- Lecture 36: MPI, Hybrid Programming, and Shared Memory
+http://wgropp.cs.illinois.edu/courses/cs598-s15/lectures/lecture36.pdf
 
 
 ### Linux configuration