home.md

@@ -17,4 +17,4 @@ Whether you are a new comer or experienced employee in CDY, we hope this page ca
   [website](https://generic-software-skills.gitlab-pages.dkrz.de/lecture-materials/) and [gitlab](https://gitlab.dkrz.de/generic-software-skills/lecture-materials)
 
 Documents related to MPI-ESM:
-- [ECHAM6 userguide]()
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+- [ECHAM6 userguide](https://owncloud.gwdg.de/index.php/s/5SvLDKGzyzfyrk7)
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