[5] Announcement: ERCS on WWW available now, 1995-03-16T11:01:33.000Z, 2023-07-29T03:29:43.556Z https://www.cs.helsinki.fi/research/rati/ercs.html

[3] Extended Reference Concrete Syntax (ERCS), 1998-07-21T19:55:30.000Z, 2023-07-29T03:06:09.014Z http://xml.coverpages.org/ercs.txt

[1] Restrospective on ERCS:, 1999-07-17T13:17:10.000Z, 2023-07-29T03:04:55.138Z http://xml.coverpages.org/jelliffeERCSRetro.html

[4] SML-ized Public Entity Sets, 2023-07-29T03:27:51.000Z, 2001-01-17T17:23:26.058Z https://web.archive.org/web/20010117172200/http://www.ascc.net/xml/resource/entities/index.html

[6] SPREAD entities, 1998-01-28T14:06:50.000Z, 2023-10-06T12:30:26.332Z https://www.w3.org/International/Spread/

[2] 関連: KanjiBase, 具象構文, 文字参照, 参照処理モデル, BUCS