diff --git a/geolog.htm b/geolog.htm
index 5fa3188a5..8332e85e4 100644
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+++ b/geolog.htm
@@ -34,6 +34,7 @@ Paleoclimate and landscape</a>
 Other cave science articles</a>
 <li><a href="/expofiles/documents/cave_science_articles/german-stuff/">
 (papers in German)</a>
+  <li><a href="">An introduction to Austrain Karts</a> Steve Perry, UBSS
 </ul>
 <h2>Formation of the Limestone</h2>
 <p>
@@ -150,6 +151,7 @@ rewrite.
 
 <p><i>Olaf K&auml;hler, September 2012</i></p>
 <hr />
+Link to <a href="/years/1980/UBSS_Proc_16_1_5-10.pdf"</a> Introduction to Austrian Karst</a> Steve Perry, UBBS Proc.
 Link to <a href="https://en.wikipedia.org/wiki/Eastern_Alps">Wikipedia: Eastern Alps Geology</a>.
 <br />
 Link to <a href="geolog2.htm">Anonymous Geological Outline (2015?)</a>.
@@ -159,7 +161,6 @@ Link to <a href="years/1987/geolog.htm">Jared's Geological Guide (1988)</a>.
 Link to <a href="years/1981/cavdev.htm">Tony Malcolm's Geological Guide (1982)</a>.
 <br />
 Link to <a href="https://onrappel.blogspot.com/2018/05/dachstein-massif-geology-intro.html">Excellent long article on Dachsteinkalk</a>
-<hr />
-</body>
+<hr /></body>
 </html>