[1] S1000D Official Homepagehttp://public.s1000d.org/Pages/Home.aspx

[2] "International specification for technical publications using a common source database", Issue No. 4.1, published by ASD/AIA, 2012: Chapter 1.1

[3] ATA e-Business Program: Standards http://ataebiz.org/Pages/standards.aspx

[4] "International specification for technical publications using a common source database", Issue No. 4.1, published by ASD/AIA, 2012: Chapter 4.2

[5] Commercial and Government Entity Program https://cage.dla.mil/

[6] "International specification for technical publications using a common source database", Issue No. 4.1, published by ASD/AIA, 2012: Chapter 2.5

[7] "International specification for technical publications using a common source database", Issue No. 4.1, published by ASD/AIA, 2012: Chapter 1.4.1