18 captures
04 Jun 2001 - 30 May 2009
Jun
JUL
Aug
05
2007
2008
2009
success
fail
About this capture
COLLECTED BY
Collection:
Common Crawl
Web crawl data from Common Crawl.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20080705112555/http://clio.rice.edu/cwsdpmi/dpmispec1.pdf
