Version 1.3 30 April 1998 | Corrections were made in the display of bibliographic information and minor changes were made in the graphical interface and display of data. | |
Version 1.2 30 May 1997 | Newer versions of html have made it possible for most symbols which were produced by means of graphics in earlier versions to be replaced with html code. This results in quicker loading of these pages. | |
Version 1.1 11 July 1995 | Contains some corrections to the previous version. | |
Version 1.0 23 May 1995 | This computer based version of NIST Special Publication 821 contains the bibliography and atlas as updated through November 1994. | |
Earlier Work December 1991 | NIST SP 821, U.S. Government Printing Office, Washington, D.C. |