[1] 
[CITE[Standard master - ECMA-48_5th_edition_june_1991.pdf]], [TIME[2021-01-16T09:56:56.000Z]], [TIME[2022-05-14T05:47:11.297Z]] <https://www.ecma-international.org/wp-content/uploads/ECMA-48_5th_edition_june_1991.pdf#page=67>

[2] [[GB 8565.3-88]]