Update README.md

Author: monperrus

README.md

@@ -73,7 +73,7 @@ Posts:
 
 * Principal Investigators: [Musard Balliu](https://people.kth.se/~musard/), [Benoit Baudry](https://softwarediversity.eu/), [Mathias Ekstedt](https://www.kth.se/profile/mekstedt/), [Martin Monperrus](https://www.monperrus.net/martin/)
 * PhD students: [Sofia Bobadilla](https://www.kth.se/profile/sofbob?l=en), [Eric Cornelissen](https://ericcornelissen.dev/), [Javier Ron](https://www.kth.se/profile/javierro), [Aman Sharma](https://algomaster99.github.io/), [Mikhail Shcherbakov](https://www.kth.se/profile/mshc), [Yuxin Liu](https://www.kth.se/profile/yuxinli), [Frank Reyes](https://www.kth.se/profile/frankrg/?l=en), [Yekatierina Churakova](https://www.kth.se/profile/yekchu?l=en), [Carmine Cesarano](https://carminecesarano.github.io/) (visiting), [Yogya Gamage](https://scholar.google.se/citations?user=m_67-NAAAAAJ), [Vivi Andersson](TODO)
-* Research engineers & assistants: [Raphina Liu](), [Elias Lundell](https://www.eliaslundell.se/), [Monica Jin](https://www.kth.se/profile/mjin/), [Diogo Torres Correia](https://www.kth.se/profile/diogotc)
+* Research engineers & assistants: [Raphina Liu](https://scholar.google.se/citations?user=h1uxQNcAAAAJ), [Elias Lundell](https://www.eliaslundell.se/), [Monica Jin](https://www.kth.se/profile/mjin/), [Diogo Torres Correia](https://www.kth.se/profile/diogotc)
 * Master's students: [Christofer Vikström](TODO), [Leonard Husmann](TBD)
 
 Chains alumni: [Arvid Siberov](https://siberov.se), [Linus Östlund](https://www.kth.se/profile/linusost/), [Gabriel Skoglund](https://www.kth.se/profile/gabsko), [César Soto-Valero](https://www.cesarsotovalero.net/), [Martin Wittlinger](https://github.com/MartinWitt/), [Felix Qvarfordt](https://www.linkedin.com/in/felix-qvarfordt-4b1196a3/), [Daniel Williams](https://www.linkedin.com/in/d-willi/), [Oliver Schwalbe Lehtihet](https://www.linkedin.com/in/oliver-schwalbe-lehtihet/), [Federico Bono](https://www.linkedin.com/in/federico-bono/)