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More discussion on formats - http://www.bo.infn.it/alice/introgrd/certmgr/node2.html
Converting between formats - http://support.sas.com/documentation/cdl/en/secref/62092/HTML/default/viewer.htm#a002815156.htm
...
More discussion on formats - http://www.bo.infn.it/alice/introgrd/certmgr/node2.html
Converting between formats - http://support.sas.com/documentation/cdl/en/secref/62092/HTML/default/viewer.htm#a002815156.htm