diff --git a/systems/mmt.md b/systems/mmt.md
index c70efef68e74452926528a2ec21ef671e1a1f0e2..341f5c5de68b7443d8d6f4d44c6ed025064b6448 100644
--- a/systems/mmt.md
+++ b/systems/mmt.md
@@ -19,6 +19,7 @@ supported-by:
     - latin
     - mathsearch
 
+publink: http://kwarc.github.io/bibs/mmt
 website: https://uniformal.github.io/
 repository: https://github.com/Uniformal/MMT
 ---