16 captures
20 Feb 2019 - 25 Dec 2023
Jan
FEB
May
20
2018
2019
2020
success
fail
About this capture
COLLECTED BY
Collection:
DIRECT-OA-CRAWL-2019
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20190220024459/http://pdfs.semanticscholar.org/22dc/328be9e0c026ef74e9c996e17d8f92cd4be6.pdf
