diff --git a/public/content/content.json b/public/content/content.json
index 2e27ddb6d0fbe31ff6a069891db28419bee6f6d3..ccc2a2492ff8a6617c606b33c8ec05ba3445c526 100644
--- a/public/content/content.json
+++ b/public/content/content.json
@@ -41,7 +41,10 @@
     },
     "links": {
       "youtube": "https://www.youtube.com/watch?v=T5jF20yXcWw",
-      "demo": "http://193.196.37.89:8083/visionzero/"
+      "demo": "http://193.196.37.89:8083/visionzero/",
+      "publication":"https://doi.org/10.5194/isprs-annals-VI-4-W2-2020-143-2020", 
+      "project":"https://www.hft-stuttgart.de/forschung/i-city", 
+
     },
     "refIndex": 2
   },
diff --git a/public/js/add_content.js b/public/js/add_content.js
index 18d029ff7d0c8ddf3a4ecbee654e2b9610158908..5351c364fb5633b7307974a54cba307ba5735010 100644
--- a/public/js/add_content.js
+++ b/public/js/add_content.js
@@ -39,6 +39,16 @@ function addcontent(item) {
       var publicationLink = item.links.publication 
       publicationHTML = `<a class="btn btn-sm btn-outline-primary" href="${publicationLink}" target="_blank"> <i class="fas fa-book"></i> Publication</a>`
     }
+    var projectHTML = ''
+    if ('project' in item.links) {
+      var projectLink = item.links.project 
+      projectHTML = `<a class="btn btn-sm btn-outline-primary" href="${projectLink}" target="_blank"> <i class="fas fa-project-diagram"></i> Project</a>`
+    }
+    var presentationHTML = ''
+    if ('presentation' in item.links) {
+      var presentationLink = item.links.presentation 
+      presentationHTML = `<a class="btn btn-sm btn-outline-primary" href="${presentationLink}" target="_blank"> <i class="fas fa-file-powerpoint"></i> Presentation</a>`
+    }
 
     new_row.innerHTML = new_row.innerHTML + '<div class="col-lg-4">' +
       '<div class="card mb-4 shadow-sm extension overflow-auto">' +
@@ -55,6 +65,8 @@ function addcontent(item) {
       ExploreHTML + '&nbsp;' +
       YouTubeHTML + '&nbsp;' +
       publicationHTML + '&nbsp;' +
+      projectHTML + '&nbsp;' +
+      presentationHTML + '&nbsp;' +
       '</p>' +
       '</div>' +
       '</div>' +