| Mode: For a past period of time For all time by years For all time by quarters For all time by months |
Ording, Philip. 99 variations on a proof / Philip Ording. — 1 online resource (xi, 260 pages) : illustrations (some color — <URL:http://elib.fa.ru/ebsco/1857555.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Total | 0 | 0 | 0 | 0 | 0 | ||