16 captures
26 Feb 2020 - 26 Dec 2023
Jan
FEB
Apr
26
2019
2020
2021
success
fail
About this capture
COLLECTED BY
Collection:
SEMSCHOLAR-DIRECT-PDF-CRAWL-2020-02
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20200226121156/https://pdfs.semanticscholar.org/d014/0c3feee1d41f01ff67e1637b4d367da520ef.pdf