diff --git a/chertex.sh b/chertex.sh
index 3dd4372..59d8725 100755
--- a/chertex.sh
+++ b/chertex.sh
@@ -138,9 +138,15 @@ if [ $# -eq 1 ]; then
          # https://stackoverflow.com/questions/10929453/read-a-file-line-by-line-assigning-the-value-to-a-variable
          while IFS='' read -r asset || [[ -n "$asset" ]]; do
             assetpathtarget=$(dirname "$externalfilepath")
-            echo "Copying $asset to $assetpathtarget"
-            # cp but don't overwwrite existing files
+            echo "<thesis> Copying $asset to $assetpathtarget"
+            # cp but don't overwrite existing files
             cp --preserve=timestamps --no-clobber $asset $assetpathtarget
+            # except we want to overwrite the BibTeX library files (inside the assets/references/ directory), we'll do that by checking the target dirname and only running the destructive cp operation if its "references"
+            assetdirnametarget=$(basename "$assetpathtarget")
+            if [[ $assetdirnametarget == "references" ]]; then
+               echo "<thesis> Overwriting BibTeX libraries in assets/references/"
+               cp --preserve=timestamps $asset $assetpathtarget
+            fi
          done < "$externalfilepath"
       done