id author title date pages extension mime words sentence flesch summary cache txt istl-1575 The ASTM Standards and Engineering Digital Library - SEDL .html text/html 1545 88 55 Additionally, the redline feature of standards is a bonus to researchers who need to reference changes made to the current versions of ASTM standards. The ASTM Standards and Engineering Digital Library (SEDL) is a database of various ASTM standards and publications, dating as far back as 1932. cache/istl-1575.html txt/istl-1575.txt