diff --git a/README.md b/README.md
index 12a38a4..0211236 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
-This is the github repository of bibtexbrowser.
+Custom changes to bibtexbrowser, including:
-It is used to collect patches and extensions as pull requests.
+* Custom index file to select among several bib files
+* Added a pdf link for bib databases exported from Zotero
The official home page of bibtexbrowser is .
diff --git a/bibtexbrowser.php b/bibtexbrowser.php
index e4a1e95..b9bacb1 100755
--- a/bibtexbrowser.php
+++ b/bibtexbrowser.php
@@ -1484,6 +1484,18 @@ class BibEntry {
$str = '';
+
+ #Adding link to PDF file exported by Zotero
+ if ($this->hasField('file')) {
+
+ $file = $this->getField("file");
+ $file = explode(":", $file);
+ $file = $file[1];
+
+ $str .= ' [PDF file]';
+ }
+
+
if (BIBTEXBROWSER_BIBTEX_LINKS) {
// we add biburl and title to be able to retrieve this important information
// using Xpath expressions on the XHTML source
diff --git a/index.php b/index.php
new file mode 100644
index 0000000..b8a3003
--- /dev/null
+++ b/index.php
@@ -0,0 +1,26 @@
+
+
+Available databases:
";
+echo "
+
+