!!Hans Berckhemer - Obituary
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*Read obituary [here|http://www.iaspei.org/obituaries/obituary-berckhemer-hans.php], written by Johannes Schweitzer (http://www.iaspei.org/).
*Read obituary [here|Berckhemer-Nachruf.pdf], written by Klaus von Vogel and Bodo Baier.
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