From 5dc1d2961c1e07d15b1a9e16f8303f5e820fabfb Mon Sep 17 00:00:00 2001
From: Daniel Jeans <daniel.jeans@kek.jp>
Date: Thu, 1 Mar 2018 09:19:15 +0900
Subject: [PATCH] update documentation: links to external references

---
 DDCore/include/DD4hep/FieldTypes.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/DDCore/include/DD4hep/FieldTypes.h b/DDCore/include/DD4hep/FieldTypes.h
index 40ac6061b..e601a9810 100644
--- a/DDCore/include/DD4hep/FieldTypes.h
+++ b/DDCore/include/DD4hep/FieldTypes.h
@@ -139,8 +139,8 @@ namespace dd4hep {
    *  If 'volume' is an invalid shape (ie. not defined), then the field
    *  components are valied throughout the 'universe'.
    *
-   *  \see http://cas.web.cern.ch/cas/Belgium-2009/Lectures/PDFs/Wolski-1.pdf
-   *  \see http://cas.web.cern.ch/cas/Bulgaria-2010/Talks-web/Brandt-1-web.pdf
+   *  \see http://cas.web.cern.ch/sites/cas.web.cern.ch/files/lectures/bruges-2009/wolski-1.pdf
+   *  \see http://cas.web.cern.ch/sites/cas.web.cern.ch/files/lectures/varna-2010/brandt-1-web.pdf
    *  \see https://en.wikipedia.org/wiki/Multipole_magnet
    *
    *  \author  M.Frank
-- 
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