The target resource for this PURL can no longer be traced. The following is a list of the targets this PURL was previously assigned to.
| Timestamp | Target URL | Note |
|---|---|---|
| 06/30/17 10:22:21 | https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20140000336.pdf | |
| 12/15/17 10:42:01 | http://eot.us.archive.org/eot/20170222195857/https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20140000336.pdf | |
| 02/23/18 11:52:35 | https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20140000336.pdf | |
| 12/25/20 00:00:00 | https://ntrs.nasa.gov/citations/20140000336 | Batch modification of NTRS PURLs |
| 12/25/20 00:00:00 | https://ntrs.nasa.gov/citations/20140000336 | Withdrawn from the Federal Depository Library Program, 8/2021 |
| 09/22/21 13:55:37 | https://purl.fdlp.gov/history/GPO/gpo82246 | Withdrawn from the Federal Depository Library Program, 8/2021 |