Ref update in readme

README.md

@@ -160,7 +160,7 @@ Did you find PbDlib useful for your research? Please acknowledge the authors in
 }
 ```
 
-[8] Calligraphy, graffiti, handwriting movement generation:
+[8] Keypoint-based motion edition through MPC:
 ```
 @inproceedings{Berio17GI,
 	author="Berio, D. and Calinon, S. and Fol Leymarie, F.",
@@ -169,7 +169,8 @@ Did you find PbDlib useful for your research? Please acknowledge the authors in
 	year="2017",
 	month="May",
 	address="Edmonton, AL, Canada",
-	pages=""
+	pages="132--139",
+	doi="10.20380/GI2017.17"
 }
 ```