| Mode: For a past period of time For all time by years For all time by quarters For all time by months |
Способ получения трифторидов редкоземельных элементов / П. О. Андреев [и др.] — <URL:http://www.fips.ru/Archive/PAT/2012FULL/2012.03.20/DOC/RUNWC1/000/000/002/445/269/document.pdf>.
| Period | Read | Copy | Open | Total | |
|---|---|---|---|---|---|
| Last day | 0 | 0 | 0 | 0 | 0 |
| Last 30 days | 0 | 0 | 0 | 8 | 8 |
| Last 365 days | 0 | 0 | 0 | 48 | 48 |
| All time | 0 | 0 | 0 | 76 | 76 |