Version | DOI | Comment | Publication Date |
---|---|---|---|
1 | 10.13012/B2IDB-9526770_V1 | 2021-10-15 |
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update: {"nested_updated_at"=>[nil, Fri, 15 Oct 2021 15:40:12.710364000 UTC +00:00]} | 2024-01-03T18:23:29Z |
update: {"version_comment"=>[nil, ""], "subject"=>[nil, "Technology and Engineering"]} | 2021-10-15T17:10:57Z |