1993 Pilot Study: Updates & Errata
Current Dataset Release: May 3, 1999 Version
May 3, 1999
Added dataset ID and version number.
Already Applied
Previous dataset release: October 1999 version
October 1998
1998 CD-ROM release.
1998 CD-ROM release.
May 3, 1999
Added dataset ID and version number.
Previous dataset release: October 1999 version