| Date | Description |
|---|---|
| 2020-09-20 | delete index_pages_linkeddomain springer.com |
| 2020-03-11 | insert index_pages_linkeddomain springer.com |
| 2019-03-03 | delete address Ocean Imaging - Colorado 13976 |
| 2019-03-03 | insert address 13976 West Bowles Avenue Suite 100 Littleton, CO 80127 |