Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950103-20-022871-index-headers.html | 2020-11-24 16:23:15 | |
| 0000950103-20-022871-index.html | 2020-11-24 16:23:15 | |
| 0000950103-20-022871.txt | 2020-11-24 16:23:15 | |
 0000950103-20-022871-xbrl.zip | 15250 | 2020-11-24 16:23:15 |
| ctra-20201123.xsd | 3201 | 2020-11-24 16:23:15 |
| ctra-20201123_lab.xml | 34591 | 2020-11-24 16:23:15 |
| ctra-20201123_pre.xml | 22720 | 2020-11-24 16:23:15 |
| dp141492_8k.htm | 30915 | 2020-11-24 16:23:15 |
| dp141492_8k_htm.xml | 3472 | 2020-11-24 16:23:15 |
| dp141492_ex9901.htm | 12413 | 2020-11-24 16:23:15 |
| FilingSummary.xml | 1633 | 2020-11-24 16:23:15 |
| Financial_Report.xlsx | 5429 | 2020-11-24 16:23:15 |
 image_001.gif | 2544 | 2020-11-24 16:23:15 |
 image_002.gif | 2379 | 2020-11-24 16:23:15 |
 image_003.gif | 2835 | 2020-11-24 16:23:15 |
| MetaLinks.json | 38960 | 2020-11-24 16:23:15 |
| R1.htm | 38587 | 2020-11-24 16:23:15 |
| report.css | 2767 | 2020-11-24 16:23:15 |
| Show.js | 1085 | 2020-11-24 16:23:15 |